Slack

Use Slack to send and manage messages, work with canvases, and inspect channels and users. Custom bots also support Agent Sessions and streamed trigger responses.

Credentials and workflow actions

Select an operation in the Slack block. Custom bots support the expanded channel, file, bookmark, pin, user-group, profile, workspace, List, and Canvas actions. The custom-app manifest selects all available capabilities by default. Existing apps need the updated manifest and a reinstall to grant newly added scopes.

The native Sim Slack app keeps its existing permissions. Set Bot Presence changes the selected custom bot’s presence. Mark Conversation Read moves the selected account or bot’s read cursor. Neither action changes another workspace member’s state.

List actions return one page. Use the returned cursor or page information to continue. Update User Group Members replaces the complete member list. Start List Export returns a job ID; pass it to Get List Export with the same export options. Canvas access changes apply to standalone canvases and require the link to have been shared with the recipient first.

User-token-only search, profile updates, and notification controls, Slack’s retired reminders APIs, and Enterprise administration APIs are not included. Use scheduled messages or a scheduled Sim workflow for reminders.

Stream trigger responses

Custom-bot Slack triggers can stream workflow outputs directly back into the conversation that started a run. Turn on Enable agent session (streamResponse) on a Message, App Mention, or Assistant Thread Started trigger, then select the outputs to deliver in Outputs to stream (streamOutputs).

A selected Agent output streams immediately as it is generated. If the Agent later calls a tool, any pre-tool commentary already streamed remains visible.
A selected non-streaming block output is sent when that block invocation completes.
Loop and parallel invocations each create their own Slack response.
The response status label defaults to Running and can be customized in the trigger's advanced settings.
Optional thinking and tool-call updates appear as Slack tasks in a timeline or plan.
Slack Agent Sessions remain in processing state for the run, return to active when it finishes, and the native Slack stop button cancels active workflow executions.

Automatic trigger responses require a custom bot created by the Slack setup wizard. They are not available with the shared Sim Slack app. Where the deployment enables shared-app triggers, the Sim app can receive its subscribed event subset without automatic streaming.

The Set Assistant Status (set_status) action changes the assistant-thread indicator; it does not enable agent-session streaming. A separate Send Message action for an output already selected on the trigger sends an additional message.

Testing a block with sample input verifies its logic. To verify a Slack integration, check the real event's deployed workflow run and any execution or delivery errors, then confirm the reply in the originating conversation or thread.

Review generated content

Review model-generated Slack messages where your communication process requires approval; model output can contain errors.

For help with the Slack integration, contact help@sim.ai.

OAuth scopes

Sim requests these scopes when someone connects a Slack account. For a self-hosted deployment, register your own app with the provider using the settings below. See Integrations and OAuth for setup.

Setting	Value
Redirect URI	`<NEXT_PUBLIC_APP_URL>/api/auth/oauth2/callback/slack`
Environment variables	`SLACK_CLIENT_ID`, `SLACK_CLIENT_SECRET`

Scope	Description
`channels:read`	View public channels
`channels:history`	Read public channel messages
`channels:manage`	Create, archive, and rename public channels
`groups:read`	View private channels
`groups:history`	Read private channel messages
`groups:write`	Create, archive, and manage private channels
`chat:write`	Send messages
`chat:write.public`	Post to public channels without joining them
`im:write`	Start direct messages
`im:read`	View direct message channels
`users:read`	View workspace users
`files:write`	Upload, edit, and delete files
`files:read`	Download and read files
`canvases:read`	Read canvas sections
`canvases:write`	Create, edit, and delete canvas documents
`reactions:write`	Add emoji reactions to messages
`reactions:read`	View emoji reactions on messages

Requested only when SLACK_EXTENDED_SCOPES and NEXT_PUBLIC_SLACK_EXTENDED_SCOPES are enabled. Enable them only after Slack approves the app for these scopes:

Scope	Description
`assistant:write`	Manage assistant status, titles, and suggested prompts
`app_mentions:read`	View messages that mention the app
`im:history`	Read direct message history

Some actions run only on a bot or service-account credential, never the OAuth connection. That credential needs these additional scopes:

Scope	Actions
`assistant:write`	Slack Set Agent Suggested Prompts
`bookmarks:read`	Slack List Bookmarks
`bookmarks:write`	Slack Add Bookmark, Slack Edit Bookmark, Slack Remove Bookmark
`channels:join`	Slack Join Conversation
`chat:write.customize`	Slack Set Agent Session Status
`dnd:read`	Slack Get Do Not Disturb Info, Slack Get Team Do Not Disturb Info
`emoji:read`	Slack List Custom Emoji
`links:write`	Slack Unfurl Links
`lists:read`	Slack Lists List Items, Slack Lists Get Item, Slack Start List Export, Slack Get List Export
`lists:write`	Slack Lists Create List, Slack Lists Update List, Slack Lists Share List, Slack Lists Create Item, Slack Lists Update Items, Slack Lists Delete Item, Slack Revoke List Access, Slack Delete List Items
`pins:read`	Slack List Pins
`pins:write`	Slack Pin Message, Slack Unpin Message
`team:read`	Slack Get Workspace Info
`usergroups:read`	Slack List User Groups, Slack List User Group Members
`usergroups:write`	Slack Create User Group, Slack Update User Group, Slack Enable User Group, Slack Disable User Group, Slack Update User Group Members
`users:read.email`	Slack Find User by Email
`users:write`	Slack Set Bot Presence
`users.profile:read`	Slack Get User Profile, Slack Get Workspace Profile Fields

Use the block

Build Slack workflows with messages, conversations, files, reactions, pins, bookmarks, user groups, profiles, Lists, canvases, and Agent Sessions. Operations that need additional app scopes use custom Slack bots. Lists require lists:read/lists:write and a paid Slack plan. Native Sim connections retain their existing permissions. Page through list outputs explicitly.

Actions

Slack Message

Send messages to Slack channels or direct messages. Supports Slack mrkdwn formatting.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`destinationType`	string	No	Destination type: channel or dm
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	No	Slack channel ID (e.g., C1234567890)
`dmUserId`	string	No	Slack user ID for direct messages (e.g., U1234567890)
`text`	string	Yes	Message text to send (supports Slack mrkdwn formatting)
`threadTs`	string	No	Thread timestamp to reply to (creates thread reply)
`blocks`	json	No	Block Kit layout blocks as a JSON array. When provided, text becomes the fallback notification text.
`files`	file[]	No	Files to attach to the message

Output

Parameter	Type	Description
`message`	object	Complete message object with all properties returned by Slack
↳ `type`	string	Message type (usually "message")
↳ `ts`	string	Message timestamp (unique identifier)
↳ `text`	string	Message text content
↳ `user`	string	User ID who sent the message
↳ `bot_id`	string	Bot ID if sent by a bot
↳ `username`	string	Display username
↳ `channel`	string	Channel ID
↳ `team`	string	Team/workspace ID
↳ `thread_ts`	string	Parent message timestamp (for threaded replies)
↳ `parent_user_id`	string	User ID of thread parent message author
↳ `reply_count`	number	Total number of replies in thread
↳ `reply_users_count`	number	Number of unique users who replied
↳ `latest_reply`	string	Timestamp of most recent reply
↳ `subscribed`	boolean	Whether user is subscribed to thread
↳ `last_read`	string	Timestamp of last read message
↳ `unread_count`	number	Number of unread messages in thread
↳ `subtype`	string	Message subtype (bot_message, file_share, etc.)
↳ `is_starred`	boolean	Whether message is starred by user
↳ `pinned_to`	array	Channel IDs where message is pinned
↳ `permalink`	string	Permanent URL to the message
↳ `reactions`	array	Reactions on this message
↳ `name`	string	Emoji name (without colons)
↳ `count`	number	Number of times this reaction was added
↳ `users`	array	Array of user IDs who reacted
↳ `files`	array	Files attached to the message
↳ `id`	string	Unique file identifier
↳ `name`	string	File name
↳ `mimetype`	string	MIME type of the file
↳ `size`	number	File size in bytes
↳ `url_private`	string	Private download URL (requires auth)
↳ `permalink`	string	Permanent link to the file
↳ `mode`	string	File mode (hosted, external, etc.)
↳ `attachments`	array	Legacy attachments on the message
↳ `id`	number	Attachment ID
↳ `fallback`	string	Plain text summary
↳ `text`	string	Main attachment text
↳ `pretext`	string	Text shown before attachment
↳ `color`	string	Color bar hex code or preset
↳ `author_name`	string	Author display name
↳ `author_link`	string	Author link URL
↳ `author_icon`	string	Author icon URL
↳ `title`	string	Attachment title
↳ `title_link`	string	Title link URL
↳ `image_url`	string	Image URL
↳ `thumb_url`	string	Thumbnail URL
↳ `footer`	string	Footer text
↳ `footer_icon`	string	Footer icon URL
↳ `ts`	string	Timestamp shown in footer
↳ `blocks`	array	Block Kit blocks in the message
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `edited`	object	Edit information if message was edited
↳ `user`	string	User ID who edited the message
↳ `ts`	string	Timestamp of the edit
`ts`	string	Message timestamp
`channel`	string	Channel ID where message was sent
`fileCount`	number	Number of files uploaded (when files are attached)
`files`	file[]	Files attached to the message

Slack Ephemeral Message

Send an ephemeral message visible only to a specific user in a channel. Optionally reply in a thread. The message does not persist across sessions.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Slack channel ID (e.g., C1234567890)
`user`	string	Yes	User ID who will see the ephemeral message (e.g., U1234567890). Must be a member of the channel.
`text`	string	Yes	Message text to send (supports Slack mrkdwn formatting)
`threadTs`	string	No	Thread timestamp to reply in. When provided, the ephemeral message appears as a thread reply.
`blocks`	json	No	Block Kit layout blocks as a JSON array. When provided, text becomes the fallback notification text.

Output

Parameter	Type	Description
`messageTs`	string	Timestamp of the ephemeral message (cannot be used with chat.update)
`channel`	string	Channel ID where the ephemeral message was sent

Slack Canvas Writer

Create and share Slack canvases in channels. Canvases are collaborative documents within Slack.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Slack channel ID (e.g., C1234567890)
`title`	string	Yes	Title of the canvas
`content`	string	Yes	Canvas content in markdown format

Output

Parameter	Type	Description
`canvas_id`	string	Unique canvas identifier

Slack Message Reader

Read the latest messages from Slack channels. Retrieve conversation history with filtering options.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`destinationType`	string	No	Destination type: channel or dm
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	No	Slack channel ID to read messages from (e.g., C1234567890)
`dmUserId`	string	No	Slack user ID for DM conversation (e.g., U1234567890)
`limit`	number	No	Number of messages to retrieve (default: 10, max: 15)
`oldest`	string	No	Start of time range (timestamp)
`latest`	string	No	End of time range (timestamp)

Output

Parameter	Type	Description
`messages`	array	Array of message objects from the channel
↳ `type`	string	Message type (usually "message")
↳ `ts`	string	Message timestamp (unique identifier)
↳ `text`	string	Message text content
↳ `user`	string	User ID who sent the message
↳ `bot_id`	string	Bot ID if sent by a bot
↳ `username`	string	Display username
↳ `channel`	string	Channel ID
↳ `team`	string	Team/workspace ID
↳ `thread_ts`	string	Parent message timestamp (for threaded replies)
↳ `parent_user_id`	string	User ID of thread parent message author
↳ `reply_count`	number	Total number of replies in thread
↳ `reply_users_count`	number	Number of unique users who replied
↳ `latest_reply`	string	Timestamp of most recent reply
↳ `subscribed`	boolean	Whether user is subscribed to thread
↳ `last_read`	string	Timestamp of last read message
↳ `unread_count`	number	Number of unread messages in thread
↳ `subtype`	string	Message subtype (bot_message, file_share, etc.)
↳ `is_starred`	boolean	Whether message is starred by user
↳ `pinned_to`	array	Channel IDs where message is pinned
↳ `permalink`	string	Permanent URL to the message
↳ `reactions`	array	Reactions on this message
↳ `name`	string	Emoji name (without colons)
↳ `count`	number	Number of times this reaction was added
↳ `users`	array	Array of user IDs who reacted
↳ `files`	array	Files attached to the message
↳ `id`	string	Unique file identifier
↳ `name`	string	File name
↳ `mimetype`	string	MIME type of the file
↳ `size`	number	File size in bytes
↳ `url_private`	string	Private download URL (requires auth)
↳ `permalink`	string	Permanent link to the file
↳ `mode`	string	File mode (hosted, external, etc.)
↳ `attachments`	array	Legacy attachments on the message
↳ `id`	number	Attachment ID
↳ `fallback`	string	Plain text summary
↳ `text`	string	Main attachment text
↳ `pretext`	string	Text shown before attachment
↳ `color`	string	Color bar hex code or preset
↳ `author_name`	string	Author display name
↳ `author_link`	string	Author link URL
↳ `author_icon`	string	Author icon URL
↳ `title`	string	Attachment title
↳ `title_link`	string	Title link URL
↳ `image_url`	string	Image URL
↳ `thumb_url`	string	Thumbnail URL
↳ `footer`	string	Footer text
↳ `footer_icon`	string	Footer icon URL
↳ `ts`	string	Timestamp shown in footer
↳ `blocks`	array	Block Kit blocks in the message
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `edited`	object	Edit information if message was edited
↳ `user`	string	User ID who edited the message
↳ `ts`	string	Timestamp of the edit

Slack Get Message

Retrieve a specific message by its timestamp. Useful for getting a thread parent message.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Slack channel ID (e.g., C1234567890)
`timestamp`	string	Yes	Message timestamp to retrieve (e.g., 1405894322.002768)

Output

Parameter	Type	Description
`message`	object	The retrieved message object
↳ `type`	string	Message type (usually "message")
↳ `ts`	string	Message timestamp (unique identifier)
↳ `text`	string	Message text content
↳ `user`	string	User ID who sent the message
↳ `bot_id`	string	Bot ID if sent by a bot
↳ `username`	string	Display username
↳ `channel`	string	Channel ID
↳ `team`	string	Team/workspace ID
↳ `thread_ts`	string	Parent message timestamp (for threaded replies)
↳ `parent_user_id`	string	User ID of thread parent message author
↳ `reply_count`	number	Total number of replies in thread
↳ `reply_users_count`	number	Number of unique users who replied
↳ `latest_reply`	string	Timestamp of most recent reply
↳ `subscribed`	boolean	Whether user is subscribed to thread
↳ `last_read`	string	Timestamp of last read message
↳ `unread_count`	number	Number of unread messages in thread
↳ `subtype`	string	Message subtype (bot_message, file_share, etc.)
↳ `is_starred`	boolean	Whether message is starred by user
↳ `pinned_to`	array	Channel IDs where message is pinned
↳ `permalink`	string	Permanent URL to the message
↳ `reactions`	array	Reactions on this message
↳ `name`	string	Emoji name (without colons)
↳ `count`	number	Number of times this reaction was added
↳ `users`	array	Array of user IDs who reacted
↳ `files`	array	Files attached to the message
↳ `id`	string	Unique file identifier
↳ `name`	string	File name
↳ `mimetype`	string	MIME type of the file
↳ `size`	number	File size in bytes
↳ `url_private`	string	Private download URL (requires auth)
↳ `permalink`	string	Permanent link to the file
↳ `mode`	string	File mode (hosted, external, etc.)
↳ `attachments`	array	Legacy attachments on the message
↳ `id`	number	Attachment ID
↳ `fallback`	string	Plain text summary
↳ `text`	string	Main attachment text
↳ `pretext`	string	Text shown before attachment
↳ `color`	string	Color bar hex code or preset
↳ `author_name`	string	Author display name
↳ `author_link`	string	Author link URL
↳ `author_icon`	string	Author icon URL
↳ `title`	string	Attachment title
↳ `title_link`	string	Title link URL
↳ `image_url`	string	Image URL
↳ `thumb_url`	string	Thumbnail URL
↳ `footer`	string	Footer text
↳ `footer_icon`	string	Footer icon URL
↳ `ts`	string	Timestamp shown in footer
↳ `blocks`	array	Block Kit blocks in the message
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `edited`	object	Edit information if message was edited
↳ `user`	string	User ID who edited the message
↳ `ts`	string	Timestamp of the edit

Slack Get Thread

Retrieve an entire thread including the parent message and all replies. Useful for getting full conversation context.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Slack channel ID (e.g., C1234567890)
`threadTs`	string	Yes	Thread timestamp (thread_ts) to retrieve (e.g., 1405894322.002768)
`limit`	number	No	Maximum number of messages to return (default: 100, max: 200)

Output

Parameter	Type	Description
`parentMessage`	object	The thread parent message
↳ `type`	string	Message type (usually "message")
↳ `ts`	string	Message timestamp (unique identifier)
↳ `text`	string	Message text content
↳ `user`	string	User ID who sent the message
↳ `bot_id`	string	Bot ID if sent by a bot
↳ `username`	string	Display username
↳ `channel`	string	Channel ID
↳ `team`	string	Team/workspace ID
↳ `thread_ts`	string	Parent message timestamp (for threaded replies)
↳ `parent_user_id`	string	User ID of thread parent message author
↳ `reply_count`	number	Total number of replies in thread
↳ `reply_users_count`	number	Number of unique users who replied
↳ `latest_reply`	string	Timestamp of most recent reply
↳ `subscribed`	boolean	Whether user is subscribed to thread
↳ `last_read`	string	Timestamp of last read message
↳ `unread_count`	number	Number of unread messages in thread
↳ `subtype`	string	Message subtype (bot_message, file_share, etc.)
↳ `is_starred`	boolean	Whether message is starred by user
↳ `pinned_to`	array	Channel IDs where message is pinned
↳ `permalink`	string	Permanent URL to the message
↳ `reactions`	array	Reactions on this message
↳ `name`	string	Emoji name (without colons)
↳ `count`	number	Number of times this reaction was added
↳ `users`	array	Array of user IDs who reacted
↳ `files`	array	Files attached to the message
↳ `id`	string	Unique file identifier
↳ `name`	string	File name
↳ `mimetype`	string	MIME type of the file
↳ `size`	number	File size in bytes
↳ `url_private`	string	Private download URL (requires auth)
↳ `permalink`	string	Permanent link to the file
↳ `mode`	string	File mode (hosted, external, etc.)
↳ `attachments`	array	Legacy attachments on the message
↳ `id`	number	Attachment ID
↳ `fallback`	string	Plain text summary
↳ `text`	string	Main attachment text
↳ `pretext`	string	Text shown before attachment
↳ `color`	string	Color bar hex code or preset
↳ `author_name`	string	Author display name
↳ `author_link`	string	Author link URL
↳ `author_icon`	string	Author icon URL
↳ `title`	string	Attachment title
↳ `title_link`	string	Title link URL
↳ `image_url`	string	Image URL
↳ `thumb_url`	string	Thumbnail URL
↳ `footer`	string	Footer text
↳ `footer_icon`	string	Footer icon URL
↳ `ts`	string	Timestamp shown in footer
↳ `blocks`	array	Block Kit blocks in the message
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `edited`	object	Edit information if message was edited
↳ `user`	string	User ID who edited the message
↳ `ts`	string	Timestamp of the edit
`replies`	array	Array of reply messages in the thread (excluding the parent)
↳ `type`	string	Message type (usually "message")
↳ `ts`	string	Message timestamp (unique identifier)
↳ `text`	string	Message text content
↳ `user`	string	User ID who sent the message
↳ `bot_id`	string	Bot ID if sent by a bot
↳ `username`	string	Display username
↳ `channel`	string	Channel ID
↳ `team`	string	Team/workspace ID
↳ `thread_ts`	string	Parent message timestamp (for threaded replies)
↳ `parent_user_id`	string	User ID of thread parent message author
↳ `reply_count`	number	Total number of replies in thread
↳ `reply_users_count`	number	Number of unique users who replied
↳ `latest_reply`	string	Timestamp of most recent reply
↳ `subscribed`	boolean	Whether user is subscribed to thread
↳ `last_read`	string	Timestamp of last read message
↳ `unread_count`	number	Number of unread messages in thread
↳ `subtype`	string	Message subtype (bot_message, file_share, etc.)
↳ `is_starred`	boolean	Whether message is starred by user
↳ `pinned_to`	array	Channel IDs where message is pinned
↳ `permalink`	string	Permanent URL to the message
↳ `reactions`	array	Reactions on this message
↳ `name`	string	Emoji name (without colons)
↳ `count`	number	Number of times this reaction was added
↳ `users`	array	Array of user IDs who reacted
↳ `files`	array	Files attached to the message
↳ `id`	string	Unique file identifier
↳ `name`	string	File name
↳ `mimetype`	string	MIME type of the file
↳ `size`	number	File size in bytes
↳ `url_private`	string	Private download URL (requires auth)
↳ `permalink`	string	Permanent link to the file
↳ `mode`	string	File mode (hosted, external, etc.)
↳ `attachments`	array	Legacy attachments on the message
↳ `id`	number	Attachment ID
↳ `fallback`	string	Plain text summary
↳ `text`	string	Main attachment text
↳ `pretext`	string	Text shown before attachment
↳ `color`	string	Color bar hex code or preset
↳ `author_name`	string	Author display name
↳ `author_link`	string	Author link URL
↳ `author_icon`	string	Author icon URL
↳ `title`	string	Attachment title
↳ `title_link`	string	Title link URL
↳ `image_url`	string	Image URL
↳ `thumb_url`	string	Thumbnail URL
↳ `footer`	string	Footer text
↳ `footer_icon`	string	Footer icon URL
↳ `ts`	string	Timestamp shown in footer
↳ `blocks`	array	Block Kit blocks in the message
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `edited`	object	Edit information if message was edited
↳ `user`	string	User ID who edited the message
↳ `ts`	string	Timestamp of the edit
`messages`	array	All messages in the thread (parent + replies) in chronological order
↳ `type`	string	Message type (usually "message")
↳ `ts`	string	Message timestamp (unique identifier)
↳ `text`	string	Message text content
↳ `user`	string	User ID who sent the message
↳ `bot_id`	string	Bot ID if sent by a bot
↳ `username`	string	Display username
↳ `channel`	string	Channel ID
↳ `team`	string	Team/workspace ID
↳ `thread_ts`	string	Parent message timestamp (for threaded replies)
↳ `parent_user_id`	string	User ID of thread parent message author
↳ `reply_count`	number	Total number of replies in thread
↳ `reply_users_count`	number	Number of unique users who replied
↳ `latest_reply`	string	Timestamp of most recent reply
↳ `subscribed`	boolean	Whether user is subscribed to thread
↳ `last_read`	string	Timestamp of last read message
↳ `unread_count`	number	Number of unread messages in thread
↳ `subtype`	string	Message subtype (bot_message, file_share, etc.)
↳ `is_starred`	boolean	Whether message is starred by user
↳ `pinned_to`	array	Channel IDs where message is pinned
↳ `permalink`	string	Permanent URL to the message
↳ `reactions`	array	Reactions on this message
↳ `name`	string	Emoji name (without colons)
↳ `count`	number	Number of times this reaction was added
↳ `users`	array	Array of user IDs who reacted
↳ `files`	array	Files attached to the message
↳ `id`	string	Unique file identifier
↳ `name`	string	File name
↳ `mimetype`	string	MIME type of the file
↳ `size`	number	File size in bytes
↳ `url_private`	string	Private download URL (requires auth)
↳ `permalink`	string	Permanent link to the file
↳ `mode`	string	File mode (hosted, external, etc.)
↳ `attachments`	array	Legacy attachments on the message
↳ `id`	number	Attachment ID
↳ `fallback`	string	Plain text summary
↳ `text`	string	Main attachment text
↳ `pretext`	string	Text shown before attachment
↳ `color`	string	Color bar hex code or preset
↳ `author_name`	string	Author display name
↳ `author_link`	string	Author link URL
↳ `author_icon`	string	Author icon URL
↳ `title`	string	Attachment title
↳ `title_link`	string	Title link URL
↳ `image_url`	string	Image URL
↳ `thumb_url`	string	Thumbnail URL
↳ `footer`	string	Footer text
↳ `footer_icon`	string	Footer icon URL
↳ `ts`	string	Timestamp shown in footer
↳ `blocks`	array	Block Kit blocks in the message
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `edited`	object	Edit information if message was edited
↳ `user`	string	User ID who edited the message
↳ `ts`	string	Timestamp of the edit
`replyCount`	number	Number of replies returned in this response
`hasMore`	boolean	Whether there are more messages in the thread (pagination needed)

Slack Get Thread Replies

Fetch every message in a Slack thread, automatically following pagination across all pages. Returns the parent message and the full set of replies.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Slack channel ID containing the thread (e.g., C1234567890)
`threadTs`	string	Yes	Thread timestamp (thread_ts) of the parent message (e.g., 1405894322.002768)
`oldest`	string	No	Only include replies after this Unix timestamp (seconds)
`latest`	string	No	Only include replies before this Unix timestamp (seconds)
`inclusive`	boolean	No	Include messages with timestamps matching oldest or latest (default: false)
`limit`	number	No	Messages to request per page (default: 200, max: 999)
`cursor`	string	No	Pagination cursor from a previous response.nextCursor to resume from
`maxPages`	number	No	Maximum number of pages to fetch before stopping (default: 10)

Output

Parameter	Type	Description
`parentMessage`	object	The thread parent message, or null if the thread is empty
↳ `type`	string	Message type (usually "message")
↳ `ts`	string	Message timestamp (unique identifier)
↳ `text`	string	Message text content
↳ `user`	string	User ID who sent the message
↳ `bot_id`	string	Bot ID if sent by a bot
↳ `username`	string	Display username
↳ `channel`	string	Channel ID
↳ `team`	string	Team/workspace ID
↳ `thread_ts`	string	Parent message timestamp (for threaded replies)
↳ `parent_user_id`	string	User ID of thread parent message author
↳ `reply_count`	number	Total number of replies in thread
↳ `reply_users_count`	number	Number of unique users who replied
↳ `latest_reply`	string	Timestamp of most recent reply
↳ `subscribed`	boolean	Whether user is subscribed to thread
↳ `last_read`	string	Timestamp of last read message
↳ `unread_count`	number	Number of unread messages in thread
↳ `subtype`	string	Message subtype (bot_message, file_share, etc.)
↳ `is_starred`	boolean	Whether message is starred by user
↳ `pinned_to`	array	Channel IDs where message is pinned
↳ `permalink`	string	Permanent URL to the message
↳ `reactions`	array	Reactions on this message
↳ `name`	string	Emoji name (without colons)
↳ `count`	number	Number of times this reaction was added
↳ `users`	array	Array of user IDs who reacted
↳ `files`	array	Files attached to the message
↳ `id`	string	Unique file identifier
↳ `name`	string	File name
↳ `mimetype`	string	MIME type of the file
↳ `size`	number	File size in bytes
↳ `url_private`	string	Private download URL (requires auth)
↳ `permalink`	string	Permanent link to the file
↳ `mode`	string	File mode (hosted, external, etc.)
↳ `attachments`	array	Legacy attachments on the message
↳ `id`	number	Attachment ID
↳ `fallback`	string	Plain text summary
↳ `text`	string	Main attachment text
↳ `pretext`	string	Text shown before attachment
↳ `color`	string	Color bar hex code or preset
↳ `author_name`	string	Author display name
↳ `author_link`	string	Author link URL
↳ `author_icon`	string	Author icon URL
↳ `title`	string	Attachment title
↳ `title_link`	string	Title link URL
↳ `image_url`	string	Image URL
↳ `thumb_url`	string	Thumbnail URL
↳ `footer`	string	Footer text
↳ `footer_icon`	string	Footer icon URL
↳ `ts`	string	Timestamp shown in footer
↳ `blocks`	array	Block Kit blocks in the message
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `edited`	object	Edit information if message was edited
↳ `user`	string	User ID who edited the message
↳ `ts`	string	Timestamp of the edit
`replies`	array	All reply messages in the thread (excluding the parent)
↳ `type`	string	Message type (usually "message")
↳ `ts`	string	Message timestamp (unique identifier)
↳ `text`	string	Message text content
↳ `user`	string	User ID who sent the message
↳ `bot_id`	string	Bot ID if sent by a bot
↳ `username`	string	Display username
↳ `channel`	string	Channel ID
↳ `team`	string	Team/workspace ID
↳ `thread_ts`	string	Parent message timestamp (for threaded replies)
↳ `parent_user_id`	string	User ID of thread parent message author
↳ `reply_count`	number	Total number of replies in thread
↳ `reply_users_count`	number	Number of unique users who replied
↳ `latest_reply`	string	Timestamp of most recent reply
↳ `subscribed`	boolean	Whether user is subscribed to thread
↳ `last_read`	string	Timestamp of last read message
↳ `unread_count`	number	Number of unread messages in thread
↳ `subtype`	string	Message subtype (bot_message, file_share, etc.)
↳ `is_starred`	boolean	Whether message is starred by user
↳ `pinned_to`	array	Channel IDs where message is pinned
↳ `permalink`	string	Permanent URL to the message
↳ `reactions`	array	Reactions on this message
↳ `name`	string	Emoji name (without colons)
↳ `count`	number	Number of times this reaction was added
↳ `users`	array	Array of user IDs who reacted
↳ `files`	array	Files attached to the message
↳ `id`	string	Unique file identifier
↳ `name`	string	File name
↳ `mimetype`	string	MIME type of the file
↳ `size`	number	File size in bytes
↳ `url_private`	string	Private download URL (requires auth)
↳ `permalink`	string	Permanent link to the file
↳ `mode`	string	File mode (hosted, external, etc.)
↳ `attachments`	array	Legacy attachments on the message
↳ `id`	number	Attachment ID
↳ `fallback`	string	Plain text summary
↳ `text`	string	Main attachment text
↳ `pretext`	string	Text shown before attachment
↳ `color`	string	Color bar hex code or preset
↳ `author_name`	string	Author display name
↳ `author_link`	string	Author link URL
↳ `author_icon`	string	Author icon URL
↳ `title`	string	Attachment title
↳ `title_link`	string	Title link URL
↳ `image_url`	string	Image URL
↳ `thumb_url`	string	Thumbnail URL
↳ `footer`	string	Footer text
↳ `footer_icon`	string	Footer icon URL
↳ `ts`	string	Timestamp shown in footer
↳ `blocks`	array	Block Kit blocks in the message
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `edited`	object	Edit information if message was edited
↳ `user`	string	User ID who edited the message
↳ `ts`	string	Timestamp of the edit
`messages`	array	All messages (parent + replies) in chronological order
↳ `type`	string	Message type (usually "message")
↳ `ts`	string	Message timestamp (unique identifier)
↳ `text`	string	Message text content
↳ `user`	string	User ID who sent the message
↳ `bot_id`	string	Bot ID if sent by a bot
↳ `username`	string	Display username
↳ `channel`	string	Channel ID
↳ `team`	string	Team/workspace ID
↳ `thread_ts`	string	Parent message timestamp (for threaded replies)
↳ `parent_user_id`	string	User ID of thread parent message author
↳ `reply_count`	number	Total number of replies in thread
↳ `reply_users_count`	number	Number of unique users who replied
↳ `latest_reply`	string	Timestamp of most recent reply
↳ `subscribed`	boolean	Whether user is subscribed to thread
↳ `last_read`	string	Timestamp of last read message
↳ `unread_count`	number	Number of unread messages in thread
↳ `subtype`	string	Message subtype (bot_message, file_share, etc.)
↳ `is_starred`	boolean	Whether message is starred by user
↳ `pinned_to`	array	Channel IDs where message is pinned
↳ `permalink`	string	Permanent URL to the message
↳ `reactions`	array	Reactions on this message
↳ `name`	string	Emoji name (without colons)
↳ `count`	number	Number of times this reaction was added
↳ `users`	array	Array of user IDs who reacted
↳ `files`	array	Files attached to the message
↳ `id`	string	Unique file identifier
↳ `name`	string	File name
↳ `mimetype`	string	MIME type of the file
↳ `size`	number	File size in bytes
↳ `url_private`	string	Private download URL (requires auth)
↳ `permalink`	string	Permanent link to the file
↳ `mode`	string	File mode (hosted, external, etc.)
↳ `attachments`	array	Legacy attachments on the message
↳ `id`	number	Attachment ID
↳ `fallback`	string	Plain text summary
↳ `text`	string	Main attachment text
↳ `pretext`	string	Text shown before attachment
↳ `color`	string	Color bar hex code or preset
↳ `author_name`	string	Author display name
↳ `author_link`	string	Author link URL
↳ `author_icon`	string	Author icon URL
↳ `title`	string	Attachment title
↳ `title_link`	string	Title link URL
↳ `image_url`	string	Image URL
↳ `thumb_url`	string	Thumbnail URL
↳ `footer`	string	Footer text
↳ `footer_icon`	string	Footer icon URL
↳ `ts`	string	Timestamp shown in footer
↳ `blocks`	array	Block Kit blocks in the message
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `edited`	object	Edit information if message was edited
↳ `user`	string	User ID who edited the message
↳ `ts`	string	Timestamp of the edit
`replyCount`	number	Number of replies returned (excluding the parent)
`hasMore`	boolean	Whether more pages remain beyond the fetched window
`nextCursor`	string	Cursor to fetch the next page; null when there are no more pages
`pages`	number	Number of pages fetched in this invocation

Slack Get Channel History

Fetch message history from a Slack channel, automatically following pagination. Optionally filter by a time range to scrape messages since a given timestamp.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Slack channel ID (e.g., C1234567890)
`oldest`	string	No	Only include messages after this Unix timestamp (seconds, e.g., 1700000000)
`latest`	string	No	Only include messages before this Unix timestamp (seconds)
`inclusive`	boolean	No	Include messages with timestamps matching oldest or latest (default: false)
`limit`	number	No	Messages to request per page (default: 200, max: 999)
`cursor`	string	No	Pagination cursor from a previous response.nextCursor to resume from
`maxPages`	number	No	Maximum number of pages to fetch before stopping (default: 10)

Output

Parameter	Type	Description
`messages`	array	Channel messages in reverse-chronological order (newest first)
↳ `type`	string	Message type (usually "message")
↳ `ts`	string	Message timestamp (unique identifier)
↳ `text`	string	Message text content
↳ `user`	string	User ID who sent the message
↳ `bot_id`	string	Bot ID if sent by a bot
↳ `username`	string	Display username
↳ `channel`	string	Channel ID
↳ `team`	string	Team/workspace ID
↳ `thread_ts`	string	Parent message timestamp (for threaded replies)
↳ `parent_user_id`	string	User ID of thread parent message author
↳ `reply_count`	number	Total number of replies in thread
↳ `reply_users_count`	number	Number of unique users who replied
↳ `latest_reply`	string	Timestamp of most recent reply
↳ `subscribed`	boolean	Whether user is subscribed to thread
↳ `last_read`	string	Timestamp of last read message
↳ `unread_count`	number	Number of unread messages in thread
↳ `subtype`	string	Message subtype (bot_message, file_share, etc.)
↳ `is_starred`	boolean	Whether message is starred by user
↳ `pinned_to`	array	Channel IDs where message is pinned
↳ `permalink`	string	Permanent URL to the message
↳ `reactions`	array	Reactions on this message
↳ `name`	string	Emoji name (without colons)
↳ `count`	number	Number of times this reaction was added
↳ `users`	array	Array of user IDs who reacted
↳ `files`	array	Files attached to the message
↳ `id`	string	Unique file identifier
↳ `name`	string	File name
↳ `mimetype`	string	MIME type of the file
↳ `size`	number	File size in bytes
↳ `url_private`	string	Private download URL (requires auth)
↳ `permalink`	string	Permanent link to the file
↳ `mode`	string	File mode (hosted, external, etc.)
↳ `attachments`	array	Legacy attachments on the message
↳ `id`	number	Attachment ID
↳ `fallback`	string	Plain text summary
↳ `text`	string	Main attachment text
↳ `pretext`	string	Text shown before attachment
↳ `color`	string	Color bar hex code or preset
↳ `author_name`	string	Author display name
↳ `author_link`	string	Author link URL
↳ `author_icon`	string	Author icon URL
↳ `title`	string	Attachment title
↳ `title_link`	string	Title link URL
↳ `image_url`	string	Image URL
↳ `thumb_url`	string	Thumbnail URL
↳ `footer`	string	Footer text
↳ `footer_icon`	string	Footer icon URL
↳ `ts`	string	Timestamp shown in footer
↳ `blocks`	array	Block Kit blocks in the message
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `edited`	object	Edit information if message was edited
↳ `user`	string	User ID who edited the message
↳ `ts`	string	Timestamp of the edit
`count`	number	Total number of messages returned across all fetched pages
`hasMore`	boolean	Whether more pages remain beyond the fetched window
`nextCursor`	string	Cursor to fetch the next page; null when there are no more pages
`pages`	number	Number of pages fetched in this invocation

Slack Get Permalink

Get a stable permalink URL to a specific Slack message.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID containing the message (e.g., C1234567890)
`messageTs`	string	Yes	The message's ts value (e.g., 1405894322.002768)

Output

Parameter	Type	Description
`ok`	boolean	Whether the permalink was retrieved successfully
`channel`	string	Channel ID containing the message
`permalink`	string	The permalink URL to the message

Slack Set Assistant Status

Set or clear the assistant thread status indicator (the loading shimmer) on a Slack AI app thread. Pass an empty status to clear it.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID containing the assistant thread (e.g., C1234567890 or D1234567890)
`threadTs`	string	Yes	Thread timestamp (thread_ts) of the assistant thread (e.g., 1405894322.002768)
`status`	string	No	Status text to display, e.g. 'Working on it…'. Omit or pass an empty string to clear the status.
`loadingMessages`	json	No	Optional list of messages to rotate through as an animated loading indicator (max 10).

Output

Parameter	Type	Description
`ok`	boolean	Whether the status was set successfully
`channel`	string	Channel ID the status was set on
`threadTs`	string	Thread timestamp the status was set on

Slack Set Assistant Title

Set the title of a Slack assistant thread (shown in the AI app thread header).

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID containing the assistant thread (e.g., C1234567890 or D1234567890)
`threadTs`	string	Yes	Thread timestamp (thread_ts) of the assistant thread (e.g., 1405894322.002768)
`title`	string	Yes	The title to display for the assistant thread

Output

Parameter	Type	Description
`ok`	boolean	Whether the title was set successfully
`channel`	string	Channel ID the title was set on
`threadTs`	string	Thread timestamp the title was set on

Slack Set Suggested Prompts

Set the clickable suggested prompts shown in a Slack assistant thread (the prompt chips in an AI app).

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID containing the assistant thread (e.g., C1234567890 or D1234567890)
`threadTs`	string	Yes	Thread timestamp (thread_ts) of the assistant thread (e.g., 1405894322.002768)
`prompts`	json	Yes	Array of prompts, each with a "title" (shown on the chip) and a "message" (sent when clicked). Max 4.
`promptsTitle`	string	No	Optional heading for the prompt list, e.g. 'Suggested Prompts'

Output

Parameter	Type	Description
`ok`	boolean	Whether the suggested prompts were set successfully
`channel`	string	Channel ID the prompts were set on
`threadTs`	string	Thread timestamp the prompts were set on

Slack Set Agent Suggested Prompts

Set suggested prompts in Slack Agent View, optionally scoped to a specific thread.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Slack authentication method
`botToken`	string	No	Custom Slack bot token
`channel`	string	Yes	Agent direct-message channel ID
`threadTs`	string	No	Optional thread timestamp for legacy thread-scoped prompts
`prompts`	json	Yes	One to four prompt objects with title and message fields
`promptsTitle`	string	No	Optional heading displayed above the prompt chips

Output

Parameter	Type	Description
`ok`	boolean	Whether Slack updated the suggested prompts

Slack Set Agent Session Status

Create or update the state of a Slack agent session associated with a thread.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Slack authentication method
`botToken`	string	No	Custom Slack bot token
`channel`	string	Yes	Channel ID containing the agent session thread
`threadTs`	string	Yes	Timestamp of the thread associated with the agent session
`status`	string	Yes	Agent session state: active, processing, suspended, or closed
`title`	string	No	Title used when creating the agent session, up to 200 characters
`initiatorUserId`	string	No	Slack user ID that initiated the session
`iconEmoji`	string	No	Emoji used to customize the agent identity
`iconUrl`	string	No	Image URL used to customize the agent identity
`username`	string	No	Display name used to customize the agent identity

Output

Parameter	Type	Description
`ok`	boolean	Whether Slack updated the agent session
`status`	string	Requested agent session status
`agentStatus`	string	Agent status recorded by Slack
`title`	string	Current agent session title, or null when the session has no title

Slack Rename Agent Session

Rename the Slack agent session associated with a thread.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Slack authentication method
`botToken`	string	No	Custom Slack bot token
`channel`	string	Yes	Channel ID containing the agent session thread
`threadTs`	string	Yes	Timestamp of the thread associated with the agent session
`title`	string	Yes	New agent session title, from 1 to 200 characters

Output

Parameter	Type	Description
`ok`	boolean	Whether Slack renamed the agent session
`title`	string	Updated agent session title

Slack List Channels

List one page of accessible public and private Slack channels. Pass the returned nextCursor as cursor to fetch the next page.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`includePrivate`	boolean	No	Include private channels the connected account can access (default: true)
`excludeArchived`	boolean	No	Exclude archived channels (default: true)
`limit`	number	No	Conversations to request per Slack page (default: 100, max: 200)
`cursor`	string	No	Pagination cursor from a previous response.nextCursor to resume from

Output

Parameter	Type	Description
`channels`	array	One page of accessible public and private channels
↳ `id`	string	Conversation ID (for example, C123, D123, or G123)
↳ `name`	string	Channel or group-DM name; omitted for one-to-one direct messages
↳ `is_channel`	boolean	Whether this is a channel
↳ `is_private`	boolean	Whether the conversation is private
↳ `is_archived`	boolean	Whether the conversation is archived
↳ `is_general`	boolean	Whether this is the general channel
↳ `is_member`	boolean	Whether the credential owner is a member
↳ `is_shared`	boolean	Whether channel is shared across workspaces
↳ `is_ext_shared`	boolean	Whether channel is externally shared
↳ `is_org_shared`	boolean	Whether channel is org-wide shared
↳ `num_members`	number	Number of members in the channel
↳ `topic`	string	Conversation topic
↳ `purpose`	string	Conversation purpose
↳ `created`	number	Unix timestamp when channel was created
↳ `creator`	string	User ID of channel creator
↳ `updated`	number	Unix timestamp of last update
↳ `is_group`	boolean	Whether this is a legacy private channel or group direct message
↳ `is_im`	boolean	Whether this is a one-to-one direct message
↳ `is_mpim`	boolean	Whether this is a group direct message
↳ `user`	string	Other participant user ID for a one-to-one direct message
↳ `is_user_deleted`	boolean	Whether the other participant in a direct message is deactivated
↳ `is_open`	boolean	Whether a direct or group-direct-message conversation is open
↳ `priority`	number	Slack sidebar sort priority
`ids`	array	Conversation IDs for every returned channel
`names`	array	Names of returned channels
`count`	number	Number of conversations returned in this page
`hasMore`	boolean	Whether a next cursor is available to fetch more Slack conversations
`nextCursor`	string	Cursor to fetch the next page; null when there are no more pages

Slack List Channel Members

List all members (user IDs) in a Slack channel. Use with Get User Info to resolve IDs to names.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID to list members from
`limit`	number	No	Maximum number of members to return (default: 100, max: 200)
`cursor`	string	No	Pagination cursor from a previous response.next_cursor

Output

Parameter	Type	Description
`members`	array	Array of user IDs who are members of the channel (e.g., U1234567890)
`count`	number	Total number of members returned
`nextCursor`	string	Cursor for the next page; null if no more pages

Slack List Users

List all users in a Slack workspace. Returns user profiles with names and avatars.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`includeDeleted`	boolean	No	Include deactivated/deleted users (default: false)
`limit`	number	No	Maximum number of users to return (default: 100, max: 200)
`cursor`	string	No	Pagination cursor from a previous response.next_cursor

Output

Parameter	Type	Description
`users`	array	Array of user objects from the workspace
↳ `id`	string	User ID (e.g., U1234567890)
↳ `name`	string	Username (handle)
↳ `real_name`	string	Full real name
↳ `display_name`	string	Display name shown in Slack
↳ `email`	string	Email address (requires users:read.email scope)
↳ `is_bot`	boolean	Whether the user is a bot
↳ `is_admin`	boolean	Whether the user is a workspace admin
↳ `is_owner`	boolean	Whether the user is the workspace owner
↳ `deleted`	boolean	Whether the user is deactivated
↳ `timezone`	string	User timezone identifier
↳ `avatar`	string	URL to user avatar image
↳ `status_text`	string	Custom status text
↳ `status_emoji`	string	Custom status emoji
`ids`	array	Array of user IDs for easy access
`names`	array	Array of usernames for easy access
`count`	number	Total number of users returned
`nextCursor`	string	Cursor for the next page; null if no more pages

Slack Get User Info

Get detailed information about a specific Slack user by their user ID.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`userId`	string	Yes	User ID to look up (e.g., U1234567890)

Output

Parameter	Type	Description
`user`	object	Detailed user information
↳ `id`	string	User ID (e.g., U1234567890)
↳ `team_id`	string	Workspace/team ID
↳ `name`	string	Username (handle)
↳ `real_name`	string	Full real name
↳ `display_name`	string	Display name shown in Slack
↳ `first_name`	string	First name
↳ `last_name`	string	Last name
↳ `title`	string	Job title
↳ `phone`	string	Phone number
↳ `skype`	string	Skype handle
↳ `email`	string	Email address (requires users:read.email scope)
↳ `is_bot`	boolean	Whether the user is a bot
↳ `is_admin`	boolean	Whether the user is a workspace admin
↳ `is_owner`	boolean	Whether the user is the workspace owner
↳ `is_primary_owner`	boolean	Whether the user is the primary owner
↳ `is_restricted`	boolean	Whether the user is a guest (restricted)
↳ `is_ultra_restricted`	boolean	Whether the user is a single-channel guest
↳ `is_app_user`	boolean	Whether user is an app user
↳ `deleted`	boolean	Whether the user is deactivated
↳ `color`	string	User color for display
↳ `timezone`	string	Timezone identifier (e.g., America/Los_Angeles)
↳ `timezone_label`	string	Human-readable timezone label
↳ `timezone_offset`	number	Timezone offset in seconds from UTC
↳ `avatar`	string	URL to user avatar image
↳ `avatar_24`	string	URL to 24px avatar
↳ `avatar_48`	string	URL to 48px avatar
↳ `avatar_72`	string	URL to 72px avatar
↳ `avatar_192`	string	URL to 192px avatar
↳ `avatar_512`	string	URL to 512px avatar
↳ `status_text`	string	Custom status text
↳ `status_emoji`	string	Custom status emoji
↳ `status_expiration`	number	Unix timestamp when status expires
↳ `updated`	number	Unix timestamp of last profile update
↳ `has_2fa`	boolean	Whether two-factor auth is enabled

Download File from Slack

Download a file from Slack

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`fileId`	string	Yes	The ID of the file to download
`fileName`	string	No	Optional filename override

Output

Parameter	Type	Description
`file`	file	Downloaded file stored in execution files

Slack Update Message

Update a message previously sent by the bot in Slack

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID where the message was posted (e.g., C1234567890)
`timestamp`	string	Yes	Timestamp of the message to update (e.g., 1405894322.002768)
`text`	string	Yes	New message text (supports Slack mrkdwn formatting)
`blocks`	json	No	Block Kit layout blocks as a JSON array. When provided, text becomes the fallback notification text.

Output

Parameter	Type	Description
`message`	object	Complete updated message object with all properties returned by Slack
↳ `type`	string	Message type (usually "message")
↳ `ts`	string	Message timestamp (unique identifier)
↳ `text`	string	Message text content
↳ `user`	string	User ID who sent the message
↳ `bot_id`	string	Bot ID if sent by a bot
↳ `username`	string	Display username
↳ `channel`	string	Channel ID
↳ `team`	string	Team/workspace ID
↳ `thread_ts`	string	Parent message timestamp (for threaded replies)
↳ `parent_user_id`	string	User ID of thread parent message author
↳ `reply_count`	number	Total number of replies in thread
↳ `reply_users_count`	number	Number of unique users who replied
↳ `latest_reply`	string	Timestamp of most recent reply
↳ `subscribed`	boolean	Whether user is subscribed to thread
↳ `last_read`	string	Timestamp of last read message
↳ `unread_count`	number	Number of unread messages in thread
↳ `subtype`	string	Message subtype (bot_message, file_share, etc.)
↳ `is_starred`	boolean	Whether message is starred by user
↳ `pinned_to`	array	Channel IDs where message is pinned
↳ `permalink`	string	Permanent URL to the message
↳ `reactions`	array	Reactions on this message
↳ `name`	string	Emoji name (without colons)
↳ `count`	number	Number of times this reaction was added
↳ `users`	array	Array of user IDs who reacted
↳ `files`	array	Files attached to the message
↳ `id`	string	Unique file identifier
↳ `name`	string	File name
↳ `mimetype`	string	MIME type of the file
↳ `size`	number	File size in bytes
↳ `url_private`	string	Private download URL (requires auth)
↳ `permalink`	string	Permanent link to the file
↳ `mode`	string	File mode (hosted, external, etc.)
↳ `attachments`	array	Legacy attachments on the message
↳ `id`	number	Attachment ID
↳ `fallback`	string	Plain text summary
↳ `text`	string	Main attachment text
↳ `pretext`	string	Text shown before attachment
↳ `color`	string	Color bar hex code or preset
↳ `author_name`	string	Author display name
↳ `author_link`	string	Author link URL
↳ `author_icon`	string	Author icon URL
↳ `title`	string	Attachment title
↳ `title_link`	string	Title link URL
↳ `image_url`	string	Image URL
↳ `thumb_url`	string	Thumbnail URL
↳ `footer`	string	Footer text
↳ `footer_icon`	string	Footer icon URL
↳ `ts`	string	Timestamp shown in footer
↳ `blocks`	array	Block Kit blocks in the message
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `edited`	object	Edit information if message was edited
↳ `user`	string	User ID who edited the message
↳ `ts`	string	Timestamp of the edit
`content`	string	Success message
`metadata`	object	Updated message metadata
↳ `channel`	string	Channel ID
↳ `timestamp`	string	Message timestamp
↳ `text`	string	Updated message text

Slack Delete Message

Delete a message previously sent by the bot in Slack

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID where the message was posted (e.g., C1234567890)
`timestamp`	string	Yes	Timestamp of the message to delete (e.g., 1405894322.002768)

Output

Parameter	Type	Description
`content`	string	Success message
`metadata`	object	Deleted message metadata
↳ `channel`	string	Channel ID
↳ `timestamp`	string	Message timestamp

Slack Add Reaction

Add an emoji reaction to a Slack message

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID where the message was posted (e.g., C1234567890)
`timestamp`	string	Yes	Timestamp of the message to react to (e.g., 1405894322.002768)
`name`	string	Yes	Name of the emoji reaction (without colons, e.g., thumbsup, heart, eyes)

Output

Parameter	Type	Description
`content`	string	Success message
`metadata`	object	Reaction metadata
↳ `channel`	string	Channel ID
↳ `timestamp`	string	Message timestamp
↳ `reaction`	string	Emoji reaction name

Slack Remove Reaction

Remove an emoji reaction from a Slack message

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID where the message was posted (e.g., C1234567890)
`timestamp`	string	Yes	Timestamp of the message to remove reaction from (e.g., 1405894322.002768)
`name`	string	Yes	Name of the emoji reaction to remove (without colons, e.g., thumbsup, heart, eyes)

Output

Parameter	Type	Description
`content`	string	Success message
`metadata`	object	Reaction metadata
↳ `channel`	string	Channel ID
↳ `timestamp`	string	Message timestamp
↳ `reaction`	string	Emoji reaction name

Slack Get Channel Info

Get detailed information about a Slack channel by its ID

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID to get information about (e.g., C1234567890)
`includeNumMembers`	boolean	No	Whether to include the member count in the response

Output

Parameter	Type	Description
`channelInfo`	object	Detailed channel information
↳ `id`	string	Channel ID (e.g., C1234567890)
↳ `name`	string	Channel name without # prefix
↳ `is_channel`	boolean	Whether this is a channel
↳ `is_private`	boolean	Whether channel is private
↳ `is_archived`	boolean	Whether channel is archived
↳ `is_general`	boolean	Whether this is the general channel
↳ `is_member`	boolean	Whether the bot/user is a member
↳ `is_shared`	boolean	Whether channel is shared across workspaces
↳ `is_ext_shared`	boolean	Whether channel is externally shared
↳ `is_org_shared`	boolean	Whether channel is org-wide shared
↳ `num_members`	number	Number of members in the channel
↳ `topic`	string	Channel topic
↳ `purpose`	string	Channel purpose/description
↳ `created`	number	Unix timestamp when channel was created
↳ `creator`	string	User ID of channel creator
↳ `updated`	number	Unix timestamp of last update

Slack Get User Presence

Check whether a Slack user is currently active or away

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`userId`	string	Yes	User ID to check presence for (e.g., U1234567890)

Output

Parameter	Type	Description
`presence`	string	User presence status: "active" or "away"
`online`	boolean	Whether user has an active client connection (only available when checking own presence)
`autoAway`	boolean	Whether user was automatically set to away due to inactivity (only available when checking own presence)
`manualAway`	boolean	Whether user manually set themselves as away (only available when checking own presence)
`connectionCount`	number	Total number of active connections for the user (only available when checking own presence)
`lastActivity`	number	Unix timestamp of last detected activity (only available when checking own presence)

Slack Edit Canvas

Edit an existing Slack canvas by inserting, replacing, or deleting content

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`canvasId`	string	Yes	Canvas ID to edit (e.g., F1234ABCD)
`operation`	string	Yes	Edit operation: insert_at_start, insert_at_end, insert_after, insert_before, replace, delete, or rename
`content`	string	No	Markdown content for the operation (required for insert/replace operations)
`sectionId`	string	No	Section ID to target (required for insert_after, insert_before, and delete; omit for replace to replace the whole canvas)
`title`	string	No	New title for the canvas (only used with rename operation)

Output

Parameter	Type	Description
`content`	string	Success message

Slack Create Channel Canvas

Create a canvas pinned to a Slack channel as its resource hub

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID to create the canvas in (e.g., C1234567890)
`title`	string	No	Title for the channel canvas
`content`	string	No	Canvas content in markdown format

Output

Parameter	Type	Description
`canvas_id`	string	ID of the created channel canvas

Slack Get Canvas Info

Get Slack canvas file metadata by canvas ID

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`canvasId`	string	Yes	Canvas file ID to retrieve (e.g., F1234ABCD)

Output

Parameter	Type	Description
`canvas`	object	Canvas file information returned by Slack
↳ `id`	string	Unique canvas file identifier
↳ `created`	number	Unix timestamp when the canvas was created
↳ `timestamp`	number	Unix timestamp associated with the canvas
↳ `name`	string	Canvas file name
↳ `title`	string	Canvas title
↳ `mimetype`	string	MIME type of the canvas file
↳ `filetype`	string	Slack file type for the canvas
↳ `pretty_type`	string	Human-readable file type
↳ `user`	string	User ID of the canvas creator
↳ `editable`	boolean	Whether the canvas file is editable
↳ `size`	number	Canvas file size in bytes
↳ `mode`	string	File mode
↳ `is_external`	boolean	Whether the canvas is externally hosted
↳ `is_public`	boolean	Whether the canvas is public
↳ `url_private`	string	Private URL for the canvas file
↳ `url_private_download`	string	Private download URL for the canvas file
↳ `permalink`	string	Permanent URL for the canvas
↳ `channels`	array	Public channel IDs where the canvas appears
↳ `groups`	array	Private channel IDs where the canvas appears
↳ `ims`	array	Direct message IDs where the canvas appears
↳ `canvas_readtime`	number	Approximate read time for canvas content
↳ `is_channel_space`	boolean	Whether this canvas is linked to a channel
↳ `linked_channel_id`	string	Channel ID linked to this canvas
↳ `canvas_creator_id`	string	User ID of the canvas creator

Slack List Canvases

List Slack canvases available to the authenticated user or bot

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	No	Filter canvases appearing in a specific channel ID
`count`	number	No	Number of canvases to return per page
`page`	number	No	Page number to return
`user`	string	No	Filter canvases created by a single user ID
`tsFrom`	string	No	Filter canvases created after this Unix timestamp
`tsTo`	string	No	Filter canvases created before this Unix timestamp
`teamId`	string	No	Encoded team ID, required when using an org-level token

Output

Parameter	Type	Description
`canvases`	array	Canvas file objects returned by Slack
↳ `id`	string	Unique canvas file identifier
↳ `created`	number	Unix timestamp when the canvas was created
↳ `timestamp`	number	Unix timestamp associated with the canvas
↳ `name`	string	Canvas file name
↳ `title`	string	Canvas title
↳ `mimetype`	string	MIME type of the canvas file
↳ `filetype`	string	Slack file type for the canvas
↳ `pretty_type`	string	Human-readable file type
↳ `user`	string	User ID of the canvas creator
↳ `editable`	boolean	Whether the canvas file is editable
↳ `size`	number	Canvas file size in bytes
↳ `mode`	string	File mode
↳ `is_external`	boolean	Whether the canvas is externally hosted
↳ `is_public`	boolean	Whether the canvas is public
↳ `url_private`	string	Private URL for the canvas file
↳ `url_private_download`	string	Private download URL for the canvas file
↳ `permalink`	string	Permanent URL for the canvas
↳ `channels`	array	Public channel IDs where the canvas appears
↳ `groups`	array	Private channel IDs where the canvas appears
↳ `ims`	array	Direct message IDs where the canvas appears
↳ `canvas_readtime`	number	Approximate read time for canvas content
↳ `is_channel_space`	boolean	Whether this canvas is linked to a channel
↳ `linked_channel_id`	string	Channel ID linked to this canvas
↳ `canvas_creator_id`	string	User ID of the canvas creator
`paging`	object	Pagination information from Slack
↳ `count`	number	Number of items requested per page
↳ `total`	number	Total number of matching files
↳ `page`	number	Current page number
↳ `pages`	number	Total number of pages

Slack Lookup Canvas Sections

Find Slack canvas section IDs matching criteria for later edits

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`canvasId`	string	Yes	Canvas ID to search (e.g., F1234ABCD)
`criteria`	json	Yes	Section lookup criteria, such as {"section_types":["h1"],"contains_text":"Roadmap"}

Output

Parameter	Type	Description
`sections`	array	Canvas sections matching the lookup criteria
↳ `id`	string	Canvas section identifier

Slack Delete Canvas

Delete a Slack canvas by its canvas ID

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`canvasId`	string	Yes	Canvas ID to delete (e.g., F1234ABCD)

Output

Parameter	Type	Description
`ok`	boolean	Whether Slack deleted the canvas successfully

Slack Lists Create List

Create a Slack List with an optional column schema. Requires a paid Slack plan.

Inputs and outputs

Input

Parameter	Type	Required	Description
`name`	string	Yes	Name of the new List
`schema`	json	No	Column definitions with key, name, type, and optional is_primary_column/options. Read returned column IDs before writing rows.
`description`	string	No	Plain text description, encoded as Slack rich text
`todoMode`	boolean	No	Add task tracking fields for completion, assignee, and due date

Output

Parameter	Type	Description
`listId`	string	Created Slack List ID
`schema`	array	Column schema with IDs; null if Slack omitted it
↳ `id`	string	Column ID
↳ `key`	string	Column key
↳ `name`	string	Column name
↳ `type`	string	Slack column type
↳ `is_primary_column`	boolean	Whether this is the primary text column
↳ `options`	json	Type-specific column settings, including select choices (value, label, color)

Slack Lists Update List

Update a Slack List name, description, or task tracking fields.

Inputs and outputs

Input

Parameter	Type	Required	Description
`listId`	string	Yes	Slack List ID, from the List URL or Create List output
`name`	string	No	New name for the List
`description`	string	No	Plain text description, encoded as Slack rich text
`todoMode`	boolean	No	Enable or disable task tracking fields; omit to leave unchanged

Output

Parameter	Type	Description
`ok`	boolean	Whether Slack completed the operation

Grant users or channels access to a Slack List. Provide exactly one of userIds or channelIds. Read allows viewing, write allows editing, and owner grants ownership to users only; only a current owner can grant ownership.

Inputs and outputs

Input

Parameter	Type	Required	Description
`listId`	string	Yes	Slack List ID, from the List URL or Create List output
`accessLevel`	string	Yes	Access to grant: read, write, or owner. Ownership can only be granted to users.
`userIds`	json	No	Nonempty JSON array of Slack user IDs, e.g. ["U0123456789"]. Omit channelIds.
`channelIds`	json	No	Nonempty JSON array of Slack channel IDs, e.g. ["C0123456789"]. Omit userIds. Supports read or write access.

Output

Parameter	Type	Description
`ok`	boolean	Whether Slack completed the operation

Slack Lists List Items

Read a page of Slack List rows and optionally its column schema. Pass nextCursor as cursor to continue; an empty nextCursor ends pagination.

Inputs and outputs

Input

Parameter	Type	Required	Description
`listId`	string	Yes	Slack List ID, from the List URL or Create List output
`limit`	number	No	Maximum rows in this page (positive integer; defaults to 100)
`cursor`	string	No	Continuation cursor from the previous response
`archived`	boolean	No	Return archived rows instead of active rows
`includeList`	boolean	No	Include List title and schema (defaults to true); schema IDs are required to write cells

Output

Parameter	Type	Description
`items`	array	Rows in this page
↳ `id`	string	Row ID; use as row_id for cell updates
↳ `list_id`	string	Parent List ID
↳ `date_created`	number	Creation Unix timestamp
↳ `fields`	array	Cells with column_id, key, value and type-specific values
↳ `column_id`	string	Column ID
↳ `key`	string	Column key
↳ `value`	json	Legacy scalar value; use typed values for writes
↳ `text`	string	Display text; not accepted for writes
↳ `rich_text`	json	Slack Block Kit rich text
↳ `number`	array	Numeric values
↳ `select`	array	Select choice values
↳ `date`	array	Dates in YYYY-MM-DD format
↳ `user`	array	Slack user IDs
↳ `channel`	array	Slack channel IDs
↳ `attachment`	array	Slack file IDs
↳ `checkbox`	json	Checkbox boolean or boolean array returned by Slack; write a scalar boolean
↳ `email`	array	Email values
↳ `phone`	array	Phone values
↳ `rating`	array	Rating values
↳ `timestamp`	array	Unix timestamps
↳ `message`	json	Message references with value, channel_id, ts, and optional thread_ts
↳ `link`	json	Link values with originalUrl and optional displayAsUrl/displayName/attachment
↳ `reference`	json	Typed references to messages, List rows, files, or canvas sections
↳ `created_by`	string	Creator user ID
↳ `updated_by`	string	Last editor user ID
↳ `updated_timestamp`	string	Last update timestamp
↳ `parent_record_id`	string	Parent row ID for subtasks
`list`	object	Parent List (id, title, schema); null if not included
↳ `id`	string	List ID
↳ `title`	string	List title
↳ `schema`	array	Column schema: use id as column_id when writing cells
↳ `id`	string	Column ID
↳ `key`	string	Column key
↳ `name`	string	Column name
↳ `type`	string	Slack column type
↳ `is_primary_column`	boolean	Whether this is the primary text column
↳ `options`	json	Type-specific column settings, including select choices (value, label, color)
`nextCursor`	string	Next page cursor; empty when there are no more rows

Slack Lists Get Item

Read a Slack List row and its parent List column schema.

Inputs and outputs

Input

Parameter	Type	Required	Description
`listId`	string	Yes	Slack List ID
`itemId`	string	Yes	Row ID returned by List Items or Create Item

Output

Parameter	Type	Description
`item`	object	Slack List row
↳ `id`	string	Row ID; use as row_id for cell updates
↳ `list_id`	string	Parent List ID
↳ `date_created`	number	Creation Unix timestamp
↳ `fields`	array	Cells with column_id, key, value and type-specific values
↳ `column_id`	string	Column ID
↳ `key`	string	Column key
↳ `value`	json	Legacy scalar value; use typed values for writes
↳ `text`	string	Display text; not accepted for writes
↳ `rich_text`	json	Slack Block Kit rich text
↳ `number`	array	Numeric values
↳ `select`	array	Select choice values
↳ `date`	array	Dates in YYYY-MM-DD format
↳ `user`	array	Slack user IDs
↳ `channel`	array	Slack channel IDs
↳ `attachment`	array	Slack file IDs
↳ `checkbox`	json	Checkbox boolean or boolean array returned by Slack; write a scalar boolean
↳ `email`	array	Email values
↳ `phone`	array	Phone values
↳ `rating`	array	Rating values
↳ `timestamp`	array	Unix timestamps
↳ `message`	json	Message references with value, channel_id, ts, and optional thread_ts
↳ `link`	json	Link values with originalUrl and optional displayAsUrl/displayName/attachment
↳ `reference`	json	Typed references to messages, List rows, files, or canvas sections
↳ `created_by`	string	Creator user ID
↳ `updated_by`	string	Last editor user ID
↳ `updated_timestamp`	string	Last update timestamp
↳ `parent_record_id`	string	Parent row ID for subtasks
`list`	object	Parent List title and column schema
↳ `id`	string	List ID
↳ `title`	string	List title
↳ `schema`	array	Column schema: use id as column_id when writing cells
↳ `id`	string	Column ID
↳ `key`	string	Column key
↳ `name`	string	Column name
↳ `type`	string	Slack column type
↳ `is_primary_column`	boolean	Whether this is the primary text column
↳ `options`	json	Type-specific column settings, including select choices (value, label, color)

Slack Lists Create Item

Create a Slack List row using real column IDs and typed cell values. Text columns require rich_text, not text.

Inputs and outputs

Input

Parameter	Type	Required	Description
`listId`	string	Yes	Slack List ID
`initialFields`	json	No	Array of typed fields, each with column_id and exactly one value such as rich_text, number, select, date, user, or checkbox. Use schema IDs from List Items (includeList=true).
`parentItemId`	string	No	Parent row ID when creating a subtask
`duplicatedItemId`	string	No	Existing row ID to duplicate

Output

Parameter	Type	Description
`item`	object	Slack List row
↳ `id`	string	Row ID; use as row_id for cell updates
↳ `list_id`	string	Parent List ID
↳ `date_created`	number	Creation Unix timestamp
↳ `fields`	array	Cells with column_id, key, value and type-specific values
↳ `column_id`	string	Column ID
↳ `key`	string	Column key
↳ `value`	json	Legacy scalar value; use typed values for writes
↳ `text`	string	Display text; not accepted for writes
↳ `rich_text`	json	Slack Block Kit rich text
↳ `number`	array	Numeric values
↳ `select`	array	Select choice values
↳ `date`	array	Dates in YYYY-MM-DD format
↳ `user`	array	Slack user IDs
↳ `channel`	array	Slack channel IDs
↳ `attachment`	array	Slack file IDs
↳ `checkbox`	json	Checkbox boolean or boolean array returned by Slack; write a scalar boolean
↳ `email`	array	Email values
↳ `phone`	array	Phone values
↳ `rating`	array	Rating values
↳ `timestamp`	array	Unix timestamps
↳ `message`	json	Message references with value, channel_id, ts, and optional thread_ts
↳ `link`	json	Link values with originalUrl and optional displayAsUrl/displayName/attachment
↳ `reference`	json	Typed references to messages, List rows, files, or canvas sections
↳ `created_by`	string	Creator user ID
↳ `updated_by`	string	Last editor user ID
↳ `updated_timestamp`	string	Last update timestamp
↳ `parent_record_id`	string	Parent row ID for subtasks

Slack Lists Update Items

Update cells across Slack List rows. Each cell requires row_id, column_id, and one typed value. Use empty arrays to clear array-valued cells, or false to clear a checkbox.

Inputs and outputs

Input

Parameter	Type	Required	Description
`listId`	string	Yes	Slack List ID
`cells`	json	Yes	Nonempty array of cells with row_id, column_id and a typed value (e.g. {"row_id":"Rec...","column_id":"Col...","checkbox":true}). Text uses rich_text blocks.

Output

Parameter	Type	Description
`ok`	boolean	Whether Slack completed the operation

Slack Lists Delete Item

Delete a row from an existing Slack List.

Inputs and outputs

Input

Parameter	Type	Required	Description
`listId`	string	Yes	Slack List ID
`itemId`	string	Yes	Row ID to delete

Output

Parameter	Type	Description
`ok`	boolean	Whether Slack completed the operation

Slack Create Conversation

Create a new public or private channel in a Slack workspace.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`name`	string	Yes	Name of the channel to create (lowercase, numbers, hyphens, underscores only; max 80 characters)
`isPrivate`	boolean	No	Create a private channel instead of a public one (default: false)
`teamId`	string	No	Encoded team ID to create the channel in (required if using an org token)

Output

Parameter	Type	Description
`channelInfo`	object	The newly created channel object
↳ `id`	string	Channel ID (e.g., C1234567890)
↳ `name`	string	Channel name without # prefix
↳ `is_channel`	boolean	Whether this is a channel
↳ `is_private`	boolean	Whether channel is private
↳ `is_archived`	boolean	Whether channel is archived
↳ `is_general`	boolean	Whether this is the general channel
↳ `is_member`	boolean	Whether the bot/user is a member
↳ `is_shared`	boolean	Whether channel is shared across workspaces
↳ `is_ext_shared`	boolean	Whether channel is externally shared
↳ `is_org_shared`	boolean	Whether channel is org-wide shared
↳ `num_members`	number	Number of members in the channel
↳ `topic`	string	Channel topic
↳ `purpose`	string	Channel purpose/description
↳ `created`	number	Unix timestamp when channel was created
↳ `creator`	string	User ID of channel creator
↳ `updated`	number	Unix timestamp of last update

Slack Invite to Conversation

Invite one or more users to a Slack channel. Supports up to 100 users at a time.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	The ID of the channel to invite users to
`users`	string	Yes	Comma-separated list of user IDs to invite (up to 100)
`force`	boolean	No	When true, continues inviting valid users while skipping invalid ones (default: false)

Output

Parameter	Type	Description
`channelInfo`	object	The channel object after inviting users
↳ `id`	string	Channel ID (e.g., C1234567890)
↳ `name`	string	Channel name without # prefix
↳ `is_channel`	boolean	Whether this is a channel
↳ `is_private`	boolean	Whether channel is private
↳ `is_archived`	boolean	Whether channel is archived
↳ `is_general`	boolean	Whether this is the general channel
↳ `is_member`	boolean	Whether the bot/user is a member
↳ `is_shared`	boolean	Whether channel is shared across workspaces
↳ `is_ext_shared`	boolean	Whether channel is externally shared
↳ `is_org_shared`	boolean	Whether channel is org-wide shared
↳ `num_members`	number	Number of members in the channel
↳ `topic`	string	Channel topic
↳ `purpose`	string	Channel purpose/description
↳ `created`	number	Unix timestamp when channel was created
↳ `creator`	string	User ID of channel creator
↳ `updated`	number	Unix timestamp of last update
`errors`	array	Per-user errors when force is true and some invitations failed
↳ `user`	string	User ID that failed
↳ `ok`	boolean	Always false for error entries
↳ `error`	string	Error code for this user

Slack Open View

Open a modal view in Slack using a trigger_id from an interaction payload. Used to display forms, confirmations, and other interactive modals.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`triggerId`	string	Yes	Exchange a trigger to post to the user. Obtained from an interaction payload (e.g., slash command, button click)
`interactivityPointer`	string	No	Alternative to trigger_id for posting to user
`view`	json	Yes	A view payload object defining the modal. Must include type ("modal"), title, and blocks array

Output

Parameter	Type	Description
`view`	object	The opened modal view object
↳ `id`	string	Unique view identifier
↳ `team_id`	string	Workspace/team ID
↳ `type`	string	View type (e.g., "modal")
↳ `title`	json	Plain text title object with type and text fields
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Title text content
↳ `submit`	json	Plain text submit button object
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Submit button text
↳ `close`	json	Plain text close button object
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Close button text
↳ `blocks`	array	Block Kit blocks in the view
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `private_metadata`	string	Private metadata string passed with the view
↳ `callback_id`	string	Custom identifier for the view
↳ `external_id`	string	Custom external identifier (max 255 chars, unique per workspace)
↳ `state`	json	Current state of the view with input values
↳ `hash`	string	View version hash for updates
↳ `clear_on_close`	boolean	Whether to clear all views in the stack when this view is closed
↳ `notify_on_close`	boolean	Whether to send a view_closed event when this view is closed
↳ `root_view_id`	string	ID of the root view in the view stack
↳ `previous_view_id`	string	ID of the previous view in the view stack
↳ `app_id`	string	Application identifier
↳ `bot_id`	string	Bot identifier

Slack Update View

Update an existing modal view in Slack. Identify the view by view_id or external_id, and provide the updated view payload.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`viewId`	string	No	Unique identifier of the view to update. Either viewId or externalId is required
`externalId`	string	No	Developer-set unique identifier of the view to update (max 255 chars). Either viewId or externalId is required
`hash`	string	No	View state hash to protect against race conditions. Obtained from a previous views response
`view`	json	Yes	A view payload object defining the updated modal. Must include type ("modal"), title, and blocks array. Use identical block_id and action_id values to preserve input data

Output

Parameter	Type	Description
`view`	object	The updated modal view object
↳ `id`	string	Unique view identifier
↳ `team_id`	string	Workspace/team ID
↳ `type`	string	View type (e.g., "modal")
↳ `title`	json	Plain text title object with type and text fields
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Title text content
↳ `submit`	json	Plain text submit button object
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Submit button text
↳ `close`	json	Plain text close button object
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Close button text
↳ `blocks`	array	Block Kit blocks in the view
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `private_metadata`	string	Private metadata string passed with the view
↳ `callback_id`	string	Custom identifier for the view
↳ `external_id`	string	Custom external identifier (max 255 chars, unique per workspace)
↳ `state`	json	Current state of the view with input values
↳ `hash`	string	View version hash for updates
↳ `clear_on_close`	boolean	Whether to clear all views in the stack when this view is closed
↳ `notify_on_close`	boolean	Whether to send a view_closed event when this view is closed
↳ `root_view_id`	string	ID of the root view in the view stack
↳ `previous_view_id`	string	ID of the previous view in the view stack
↳ `app_id`	string	Application identifier
↳ `bot_id`	string	Bot identifier

Slack Push View

Push a new view onto an existing modal stack in Slack. Limited to 2 additional views after the initial modal is opened.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`triggerId`	string	Yes	Exchange a trigger to post to the user. Obtained from an interaction payload (e.g., button click within an existing modal)
`interactivityPointer`	string	No	Alternative to trigger_id for posting to user
`view`	json	Yes	A view payload object defining the modal to push. Must include type ("modal"), title, and blocks array

Output

Parameter	Type	Description
`view`	object	The pushed modal view object
↳ `id`	string	Unique view identifier
↳ `team_id`	string	Workspace/team ID
↳ `type`	string	View type (e.g., "modal")
↳ `title`	json	Plain text title object with type and text fields
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Title text content
↳ `submit`	json	Plain text submit button object
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Submit button text
↳ `close`	json	Plain text close button object
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Close button text
↳ `blocks`	array	Block Kit blocks in the view
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `private_metadata`	string	Private metadata string passed with the view
↳ `callback_id`	string	Custom identifier for the view
↳ `external_id`	string	Custom external identifier (max 255 chars, unique per workspace)
↳ `state`	json	Current state of the view with input values
↳ `hash`	string	View version hash for updates
↳ `clear_on_close`	boolean	Whether to clear all views in the stack when this view is closed
↳ `notify_on_close`	boolean	Whether to send a view_closed event when this view is closed
↳ `root_view_id`	string	ID of the root view in the view stack
↳ `previous_view_id`	string	ID of the previous view in the view stack
↳ `app_id`	string	Application identifier
↳ `bot_id`	string	Bot identifier

Slack Publish View

Publish a static view to a user's Home tab in Slack. Used to create or update the app's Home tab experience.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`userId`	string	Yes	The user ID to publish the Home tab view to (e.g., U0BPQUNTA)
`hash`	string	No	View state hash to protect against race conditions. Obtained from a previous views response
`view`	json	Yes	A view payload object defining the Home tab. Must include type ("home") and blocks array

Output

Parameter	Type	Description
`view`	object	The published Home tab view object
↳ `id`	string	Unique view identifier
↳ `team_id`	string	Workspace/team ID
↳ `type`	string	View type (e.g., "modal")
↳ `title`	json	Plain text title object with type and text fields
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Title text content
↳ `submit`	json	Plain text submit button object
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Submit button text
↳ `close`	json	Plain text close button object
↳ `type`	string	Text object type (plain_text)
↳ `text`	string	Close button text
↳ `blocks`	array	Block Kit blocks in the view
↳ `type`	string	Block type (section, divider, image, actions, etc.)
↳ `block_id`	string	Unique block identifier
↳ `private_metadata`	string	Private metadata string passed with the view
↳ `callback_id`	string	Custom identifier for the view
↳ `external_id`	string	Custom external identifier (max 255 chars, unique per workspace)
↳ `state`	json	Current state of the view with input values
↳ `hash`	string	View version hash for updates
↳ `clear_on_close`	boolean	Whether to clear all views in the stack when this view is closed
↳ `notify_on_close`	boolean	Whether to send a view_closed event when this view is closed
↳ `root_view_id`	string	ID of the root view in the view stack
↳ `previous_view_id`	string	ID of the previous view in the view stack
↳ `app_id`	string	Application identifier
↳ `bot_id`	string	Bot identifier

Slack Schedule Message

Schedule a message to be sent to a Slack channel or DM at a future time.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel, private group, or DM to receive the message (e.g., C1234567890)
`postAt`	number	Yes	Unix timestamp (seconds) representing the future time the message should post
`text`	string	No	Message text to send (supports Slack mrkdwn formatting)
`blocks`	json	No	Block Kit layout blocks as a JSON array. When provided, text becomes the fallback notification text.
`threadTs`	string	No	Thread timestamp to reply to (creates a scheduled thread reply)

Output

Parameter	Type	Description
`scheduledMessageId`	string	Identifier of the scheduled message (used to delete it before it posts)
`postAt`	number	Unix timestamp when the message will post
`channel`	string	Channel ID where the message is scheduled
`message`	object	The scheduled message object returned by Slack

Slack List Scheduled Messages

List pending scheduled messages in a Slack workspace, optionally filtered by channel.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	No	Optional channel ID to filter scheduled messages (e.g., C1234567890)
`limit`	number	No	Maximum number of scheduled messages to return
`cursor`	string	No	Pagination cursor (next_cursor) from a previous response
`oldest`	string	No	Unix timestamp of the oldest scheduled message to include
`latest`	string	No	Unix timestamp of the latest scheduled message to include
`teamId`	string	No	Encoded team ID (required only with org-level tokens)

Output

Parameter	Type	Description
`scheduledMessages`	array	Array of pending scheduled message objects
↳ `id`	string	Scheduled message ID
↳ `channel_id`	string	Channel the message is scheduled for
↳ `post_at`	number	Unix timestamp when the message will post
↳ `date_created`	number	Unix timestamp when the schedule was created
↳ `text`	string	Scheduled message text
`nextCursor`	string	Cursor for the next page (null when there are no more pages)

Slack Delete Scheduled Message

Delete a pending scheduled message before it posts to Slack.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	Channel ID where the scheduled message is queued (e.g., C1234567890)
`scheduledMessageId`	string	Yes	Scheduled message ID from chat.scheduleMessage (e.g., Q1234ABCD)

Output

Parameter	Type	Description
`ok`	boolean	Whether the scheduled message was deleted successfully

Slack Archive Conversation

Archive a Slack channel so it is closed to new activity.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	ID of the channel to archive (e.g., C1234567890)

Output

Parameter	Type	Description
`ok`	boolean	Whether the conversation was archived successfully

Slack Rename Conversation

Rename an existing Slack channel.

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	ID of the channel to rename (e.g., C1234567890)
`name`	string	Yes	New channel name (lowercase letters, numbers, hyphens, underscores only; max 80 characters)

Output

Parameter	Type	Description
`channelInfo`	object	The channel object after renaming
↳ `id`	string	Channel ID (e.g., C1234567890)
↳ `name`	string	Channel name without # prefix
↳ `is_channel`	boolean	Whether this is a channel
↳ `is_private`	boolean	Whether channel is private
↳ `is_archived`	boolean	Whether channel is archived
↳ `is_general`	boolean	Whether this is the general channel
↳ `is_member`	boolean	Whether the bot/user is a member
↳ `is_shared`	boolean	Whether channel is shared across workspaces
↳ `is_ext_shared`	boolean	Whether channel is externally shared
↳ `is_org_shared`	boolean	Whether channel is org-wide shared
↳ `num_members`	number	Number of members in the channel
↳ `topic`	string	Channel topic
↳ `purpose`	string	Channel purpose/description
↳ `created`	number	Unix timestamp when channel was created
↳ `creator`	string	User ID of channel creator
↳ `updated`	number	Unix timestamp of last update

Slack Set Conversation Topic

Set the topic for a Slack channel (max 250 characters).

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	ID of the channel to update (e.g., C1234567890)
`topic`	string	Yes	New topic text (max 250 characters; no formatting or linkification)

Output

Parameter	Type	Description
`channelInfo`	object	The channel object after updating the topic
↳ `id`	string	Channel ID (e.g., C1234567890)
↳ `name`	string	Channel name without # prefix
↳ `is_channel`	boolean	Whether this is a channel
↳ `is_private`	boolean	Whether channel is private
↳ `is_archived`	boolean	Whether channel is archived
↳ `is_general`	boolean	Whether this is the general channel
↳ `is_member`	boolean	Whether the bot/user is a member
↳ `is_shared`	boolean	Whether channel is shared across workspaces
↳ `is_ext_shared`	boolean	Whether channel is externally shared
↳ `is_org_shared`	boolean	Whether channel is org-wide shared
↳ `num_members`	number	Number of members in the channel
↳ `topic`	string	Channel topic
↳ `purpose`	string	Channel purpose/description
↳ `created`	number	Unix timestamp when channel was created
↳ `creator`	string	User ID of channel creator
↳ `updated`	number	Unix timestamp of last update

Slack Set Conversation Purpose

Set the purpose (description) for a Slack channel (max 250 characters).

Inputs and outputs

Input

Parameter	Type	Required	Description
`authMethod`	string	No	Authentication method: oauth or bot_token
`botToken`	string	No	Bot token for Custom Bot
`channel`	string	Yes	ID of the channel to update (e.g., C1234567890)
`purpose`	string	Yes	New purpose/description text (max 250 characters)

Output

Parameter	Type	Description
`purpose`	string	The purpose/description that was set on the channel

Slack Revoke List Access

Remove access to a Slack List for either users or channels.

Inputs and outputs

Input

Parameter	Type	Required	Description
`list_id`	string	Yes	List ID
`user_ids`	json	No	User IDs
`channel_ids`	json	No	Channel IDs

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Start List Export

Start an asynchronous CSV or JSON List export. Use the returned job_id with Get List Export and the same format options.

Inputs and outputs

Input

Parameter	Type	Required	Description
`list_id`	string	Yes	List ID
`format`	string	No	Export Format Options: csv, json.
`include_threads`	boolean	No	Include Threads
`include_attachments`	boolean	No	Include Attachments
`include_archived`	boolean	No	Include Archived Rows

Output

Parameter	Type	Description
`ok`	boolean	Ok
`job_id`	string	Job id

Slack Get List Export

Read a List export job status and its download URL when ready. Format, Include Threads, and Include Attachments must match Start List Export.

Inputs and outputs

Input

Parameter	Type	Required	Description
`list_id`	string	Yes	List ID
`job_id`	string	Yes	Export Job ID
`format`	string	No	Export Format Options: csv, json.
`include_threads`	boolean	No	Include Threads
`include_attachments`	boolean	No	Include Attachments

Output

Parameter	Type	Description
`ok`	boolean	Ok
`status`	string	Status
`download_url`	string	Download url

Slack Delete List Items

Delete multiple rows from a Slack List in one call.

Inputs and outputs

Input

Parameter	Type	Required	Description
`list_id`	string	Yes	List ID
`ids`	json	Yes	Row IDs

Output

Parameter	Type	Description
`ok`	boolean	Ok

Change access for users or regular channels on a standalone canvas. For sharing, first send the canvas link in Slack to the target. Channel resource canvases cannot be changed this way.

Inputs and outputs

Input

Parameter	Type	Required	Description
`canvas_id`	string	Yes	Canvas ID
`access_level`	string	Yes	Access Level Options: read, write, owner.
`user_ids`	json	No	User IDs
`channel_ids`	json	No	Channel IDs

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Revoke Canvas Access

Remove user or regular-channel access to a standalone canvas. Channel-granted access must be revoked at the channel level.

Inputs and outputs

Input

Parameter	Type	Required	Description
`canvas_id`	string	Yes	Canvas ID
`user_ids`	json	No	User IDs
`channel_ids`	json	No	Channel IDs

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Join Conversation

Join a public Slack channel as the authenticated bot.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	Yes	Channel ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`conversation`	object	Conversation
↳ `id`	string	Id
↳ `name`	string	Name
↳ `creator`	string	Creator
↳ `user`	string	User
↳ `last_read`	string	Last read
↳ `is_archived`	boolean	Is archived
↳ `is_private`	boolean	Is private
↳ `is_im`	boolean	Is im
↳ `is_mpim`	boolean	Is mpim
↳ `is_member`	boolean	Is member
↳ `is_open`	boolean	Is open
↳ `created`	number	Created
↳ `topic`	object	Topic
↳ `value`	string	Value
↳ `creator`	string	Creator
↳ `last_set`	number	Last set
↳ `purpose`	object	Purpose
↳ `value`	string	Value
↳ `creator`	string	Creator
↳ `last_set`	number	Last set

Slack Leave Conversation

Leave a Slack channel as the authenticated identity.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	Yes	Channel ID

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Remove User from Conversation

Remove a user from a Slack conversation, subject to workspace permissions.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	Yes	Channel ID
`user`	string	Yes	User ID

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Unarchive Conversation

Restore an archived Slack channel.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	Yes	Channel ID

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Close Conversation

Close a direct message or group direct message for the authenticated identity.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	Yes	Channel ID

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Mark Conversation Read

Move the authenticated identity’s read cursor to a message timestamp.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	Yes	Channel ID
`ts`	string	Yes	Read Through Timestamp

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Open Conversation

Open a DM or group DM with 1–8 user IDs, or resume a conversation by ID. Supply exactly one target; omit the calling user from User IDs.

Inputs and outputs

Input

Parameter	Type	Required	Description
`users`	json	No	User IDs
`channel`	string	No	Conversation ID
`prevent_creation`	boolean	No	Only Resume Existing Conversation
`return_im`	boolean	No	Include Conversation Details

Output

Parameter	Type	Description
`ok`	boolean	Ok
`conversation`	object	Conversation
↳ `id`	string	Id
↳ `name`	string	Name
↳ `creator`	string	Creator
↳ `user`	string	User
↳ `last_read`	string	Last read
↳ `is_archived`	boolean	Is archived
↳ `is_private`	boolean	Is private
↳ `is_im`	boolean	Is im
↳ `is_mpim`	boolean	Is mpim
↳ `is_member`	boolean	Is member
↳ `is_open`	boolean	Is open
↳ `created`	number	Created
↳ `topic`	object	Topic
↳ `value`	string	Value
↳ `creator`	string	Creator
↳ `last_set`	number	Last set
↳ `purpose`	object	Purpose
↳ `value`	string	Value
↳ `creator`	string	Creator
↳ `last_set`	number	Last set

Slack Find User by Email

Find a Slack user by their email address.

Inputs and outputs

Input

Parameter	Type	Required	Description
`email`	string	Yes	Email

Output

Parameter	Type	Description
`ok`	boolean	Ok
`user`	object	User
↳ `id`	string	Id
↳ `name`	string	Name
↳ `real_name`	string	Real name
↳ `team_id`	string	Team id
↳ `deleted`	boolean	Deleted
↳ `is_bot`	boolean	Is bot
↳ `profile`	object	Profile
↳ `title`	string	Title
↳ `phone`	string	Phone
↳ `real_name`	string	Real name
↳ `display_name`	string	Display name
↳ `email`	string	Email
↳ `first_name`	string	First name
↳ `last_name`	string	Last name
↳ `status_text`	string	Status text
↳ `status_emoji`	string	Status emoji
↳ `image_48`	string	Image 48
↳ `image_192`	string	Image 192
↳ `image_512`	string	Image 512
↳ `pronouns`	string	Pronouns
↳ `start_date`	string	Start date
↳ `status_expiration`	number	Status expiration
↳ `fields`	json	Fields

Slack List User Conversations

List one page of conversations accessible to the selected user. Continue with response_metadata.next_cursor.

Inputs and outputs

Input

Parameter	Type	Required	Description
`user`	string	No	User ID
`types`	string	No	Comma-separated public_channel, private_channel, mpim, im.
`exclude_archived`	boolean	No	Exclude Archived
`exclude_muted`	boolean	No	Exclude Muted
`cursor`	string	No	Cursor
`limit`	number	No	Page Size
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`channels`	array	Channels
↳ `id`	string	Id
↳ `name`	string	Name
↳ `creator`	string	Creator
↳ `user`	string	User
↳ `last_read`	string	Last read
↳ `is_archived`	boolean	Is archived
↳ `is_private`	boolean	Is private
↳ `is_im`	boolean	Is im
↳ `is_mpim`	boolean	Is mpim
↳ `is_member`	boolean	Is member
↳ `is_open`	boolean	Is open
↳ `created`	number	Created
↳ `topic`	object	Topic
↳ `value`	string	Value
↳ `creator`	string	Creator
↳ `last_set`	number	Last set
↳ `purpose`	object	Purpose
↳ `value`	string	Value
↳ `creator`	string	Creator
↳ `last_set`	number	Last set
`response_metadata`	object	Metadata
↳ `next_cursor`	string	Next cursor

Slack Get User Profile

Read a Slack user’s profile, status, and custom fields. Omit User ID for the authenticated identity.

Inputs and outputs

Input

Parameter	Type	Required	Description
`user`	string	No	User ID
`include_labels`	boolean	No	Include Custom Field Labels

Output

Parameter	Type	Description
`ok`	boolean	Ok
`profile`	object	Profile
↳ `title`	string	Title
↳ `phone`	string	Phone
↳ `real_name`	string	Real name
↳ `display_name`	string	Display name
↳ `email`	string	Email
↳ `first_name`	string	First name
↳ `last_name`	string	Last name
↳ `status_text`	string	Status text
↳ `status_emoji`	string	Status emoji
↳ `image_48`	string	Image 48
↳ `image_192`	string	Image 192
↳ `image_512`	string	Image 512
↳ `pronouns`	string	Pronouns
↳ `start_date`	string	Start date
↳ `status_expiration`	number	Status expiration
↳ `fields`	json	Fields

Slack Set Bot Presence

Set the selected custom bot’s presence to away or automatic. This does not change a workspace member’s presence.

Inputs and outputs

Input

Parameter	Type	Required	Description
`presence`	string	Yes	Presence Options: auto, away.

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Get File Info

Read Slack file metadata and one page of legacy file comments. Continue with response_metadata.next_cursor.

Inputs and outputs

Input

Parameter	Type	Required	Description
`file`	string	Yes	File ID
`cursor`	string	No	Cursor
`limit`	number	No	Page Size

Output

Parameter	Type	Description
`ok`	boolean	Ok
`file`	object	File
↳ `id`	string	Id
↳ `name`	string	Name
↳ `title`	string	Title
↳ `mimetype`	string	Mimetype
↳ `filetype`	string	Filetype
↳ `user`	string	User
↳ `mode`	string	Mode
↳ `permalink`	string	Permalink
↳ `url_private`	string	Url private
↳ `url_private_download`	string	Url private download
↳ `size`	number	Size
↳ `created`	number	Created
↳ `is_public`	boolean	Is public
↳ `reactions`	array	Reactions
↳ `name`	string	Name
↳ `count`	number	Count
↳ `users`	array	Users
`comments`	array	File comments, oldest first
↳ `id`	string	Comment ID
↳ `comment`	string	Comment text
↳ `user`	string	Author ID
↳ `created`	number	Creation timestamp
↳ `timestamp`	number	Comment timestamp
`paging`	object	Paging
↳ `count`	number	Count
↳ `page`	number	Page
↳ `pages`	number	Pages
↳ `total`	number	Total
`response_metadata`	object	Metadata
↳ `next_cursor`	string	Next cursor

Slack List Files

List one page of Slack files matching user, channel, type, or timestamp filters. Continue using paging.page and paging.pages.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	No	Channel ID
`user`	string	No	User ID
`types`	string	No	File Types
`ts_from`	string	No	From Timestamp
`ts_to`	string	No	To Timestamp
`page`	number	No	Page
`count`	number	No	Page Size
`show_files_hidden_by_limit`	boolean	No	Include Files Hidden by Plan Limit
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`fileMetadata`	array	Files
↳ `id`	string	Id
↳ `name`	string	Name
↳ `title`	string	Title
↳ `mimetype`	string	Mimetype
↳ `filetype`	string	Filetype
↳ `user`	string	User
↳ `mode`	string	Mode
↳ `permalink`	string	Permalink
↳ `url_private`	string	Url private
↳ `url_private_download`	string	Url private download
↳ `size`	number	Size
↳ `created`	number	Created
↳ `is_public`	boolean	Is public
↳ `reactions`	array	Reactions
↳ `name`	string	Name
↳ `count`	number	Count
↳ `users`	array	Users
`paging`	object	Paging
↳ `count`	number	Count
↳ `page`	number	Page
↳ `pages`	number	Pages
↳ `total`	number	Total

Slack Delete File

Permanently delete a Slack file the authenticated identity is allowed to delete.

Inputs and outputs

Input

Parameter	Type	Required	Description
`file`	string	Yes	File ID

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Get Reactions

Get reactions for exactly one message, file, or file comment. Messages require both Channel ID and Message Timestamp.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	No	Channel ID
`timestamp`	string	No	Message Timestamp
`file`	string	No	File ID
`file_comment`	string	No	File Comment ID
`full`	boolean	No	Include All Reacting Users

Output

Parameter	Type	Description
`ok`	boolean	Ok
`type`	string	Type
`channel`	string	Channel
`message`	object	Message
↳ `type`	string	Type
↳ `text`	string	Text
↳ `user`	string	User
↳ `ts`	string	Ts
↳ `permalink`	string	Permalink
↳ `reactions`	array	Reactions
↳ `name`	string	Name
↳ `count`	number	Count
↳ `users`	array	Users
`file`	object	File
↳ `id`	string	Id
↳ `name`	string	Name
↳ `title`	string	Title
↳ `mimetype`	string	Mimetype
↳ `filetype`	string	Filetype
↳ `user`	string	User
↳ `mode`	string	Mode
↳ `permalink`	string	Permalink
↳ `url_private`	string	Url private
↳ `url_private_download`	string	Url private download
↳ `size`	number	Size
↳ `created`	number	Created
↳ `is_public`	boolean	Is public
↳ `reactions`	array	Reactions
↳ `name`	string	Name
↳ `count`	number	Count
↳ `users`	array	Users
`comment`	object	Comment
↳ `id`	string	Id
↳ `comment`	string	Comment
↳ `user`	string	User
↳ `reactions`	array	Reactions
↳ `name`	string	Name
↳ `count`	number	Count
↳ `users`	array	Users

Slack List Reactions

List one page of items reacted to by a user. Continue with response_metadata.next_cursor.

Inputs and outputs

Input

Parameter	Type	Required	Description
`user`	string	No	User ID
`full`	boolean	No	Include All Reacting Users
`cursor`	string	No	Cursor
`limit`	number	No	Page Size
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`items`	array	Items
↳ `type`	string	Type
↳ `channel`	string	Channel
↳ `message`	object	Message
↳ `type`	string	Type
↳ `text`	string	Text
↳ `user`	string	User
↳ `ts`	string	Ts
↳ `permalink`	string	Permalink
↳ `reactions`	array	Reactions
↳ `name`	string	Name
↳ `count`	number	Count
↳ `users`	array	Users
↳ `file`	object	File
↳ `id`	string	Id
↳ `name`	string	Name
↳ `title`	string	Title
↳ `mimetype`	string	Mimetype
↳ `filetype`	string	Filetype
↳ `user`	string	User
↳ `mode`	string	Mode
↳ `permalink`	string	Permalink
↳ `url_private`	string	Url private
↳ `url_private_download`	string	Url private download
↳ `size`	number	Size
↳ `created`	number	Created
↳ `is_public`	boolean	Is public
↳ `reactions`	array	Reactions
↳ `name`	string	Name
↳ `count`	number	Count
↳ `users`	array	Users
↳ `comment`	object	Comment
↳ `id`	string	Id
↳ `comment`	string	Comment
↳ `user`	string	User
↳ `reactions`	array	Reactions
↳ `name`	string	Name
↳ `count`	number	Count
↳ `users`	array	Users
↳ `created`	number	Created
↳ `created_by`	string	Created by
`response_metadata`	object	Metadata
↳ `next_cursor`	string	Next cursor

Slack Pin Message

Pin a message to its Slack conversation.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	Yes	Channel ID
`timestamp`	string	Yes	Message Timestamp

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Unpin Message

Remove a message from its conversation’s pinned items.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	Yes	Channel ID
`timestamp`	string	Yes	Message Timestamp

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack List Pins

Read the pinned messages and files in a Slack conversation.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	Yes	Channel ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`items`	array	Items
↳ `type`	string	Type
↳ `channel`	string	Channel
↳ `message`	object	Message
↳ `type`	string	Type
↳ `text`	string	Text
↳ `user`	string	User
↳ `ts`	string	Ts
↳ `permalink`	string	Permalink
↳ `reactions`	array	Reactions
↳ `name`	string	Name
↳ `count`	number	Count
↳ `users`	array	Users
↳ `file`	object	File
↳ `id`	string	Id
↳ `name`	string	Name
↳ `title`	string	Title
↳ `mimetype`	string	Mimetype
↳ `filetype`	string	Filetype
↳ `user`	string	User
↳ `mode`	string	Mode
↳ `permalink`	string	Permalink
↳ `url_private`	string	Url private
↳ `url_private_download`	string	Url private download
↳ `size`	number	Size
↳ `created`	number	Created
↳ `is_public`	boolean	Is public
↳ `reactions`	array	Reactions
↳ `name`	string	Name
↳ `count`	number	Count
↳ `users`	array	Users
↳ `comment`	object	Comment
↳ `id`	string	Id
↳ `comment`	string	Comment
↳ `user`	string	User
↳ `reactions`	array	Reactions
↳ `name`	string	Name
↳ `count`	number	Count
↳ `users`	array	Users
↳ `created`	number	Created
↳ `created_by`	string	Created by

Slack Add Bookmark

Add a link bookmark to a Slack channel.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel_id`	string	Yes	Channel ID
`title`	string	Yes	Title
`link`	string	Yes	Link URL
`emoji`	string	No	Emoji
`parent_id`	string	No	Parent Bookmark ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`bookmark`	object	Bookmark
↳ `id`	string	Id
↳ `channel_id`	string	Channel id
↳ `title`	string	Title
↳ `link`	string	Link
↳ `emoji`	string	Emoji
↳ `type`	string	Type
↳ `date_created`	number	Date created
↳ `date_updated`	number	Date updated
↳ `entity_id`	string	Entity id

Slack Edit Bookmark

Change a channel link bookmark’s title, URL, or emoji.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel_id`	string	Yes	Channel ID
`bookmark_id`	string	Yes	Bookmark ID
`title`	string	No	Title
`link`	string	No	Link URL
`emoji`	string	No	Emoji

Output

Parameter	Type	Description
`ok`	boolean	Ok
`bookmark`	object	Bookmark
↳ `id`	string	Id
↳ `channel_id`	string	Channel id
↳ `title`	string	Title
↳ `link`	string	Link
↳ `emoji`	string	Emoji
↳ `type`	string	Type
↳ `date_created`	number	Date created
↳ `date_updated`	number	Date updated
↳ `entity_id`	string	Entity id

Slack List Bookmarks

Read the bookmarks in a Slack channel.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel_id`	string	Yes	Channel ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`bookmarks`	array	Bookmarks
↳ `id`	string	Id
↳ `channel_id`	string	Channel id
↳ `title`	string	Title
↳ `link`	string	Link
↳ `emoji`	string	Emoji
↳ `type`	string	Type
↳ `date_created`	number	Date created
↳ `date_updated`	number	Date updated
↳ `entity_id`	string	Entity id

Slack Remove Bookmark

Remove a bookmark from a Slack channel.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel_id`	string	Yes	Channel ID
`bookmark_id`	string	Yes	Bookmark ID

Output

Parameter	Type	Description
`ok`	boolean	Ok

Slack Create User Group

Create a Slack user group with a mention handle and default channels. Requires a paid plan and permission to manage user groups.

Inputs and outputs

Input

Parameter	Type	Required	Description
`name`	string	Yes	Name
`handle`	string	No	Mention Handle
`description`	string	No	Description
`channels`	json	No	Default Channel IDs
`additional_channels`	json	No	Additional Channel IDs
`enable_section`	boolean	No	Show as Sidebar Section
`include_count`	boolean	No	Include Member Count
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`usergroup`	object	Usergroup
↳ `id`	string	Id
↳ `name`	string	Name
↳ `handle`	string	Handle
↳ `description`	string	Description
↳ `team_id`	string	Team id
↳ `users`	array	Users
↳ `user_count`	json	User count
↳ `date_create`	number	Date create
↳ `date_update`	number	Date update
↳ `date_delete`	number	Date delete
↳ `prefs`	object	Prefs
↳ `channels`	array	Channels
↳ `groups`	array	Groups

Slack Update User Group

Change a Slack user group’s name, handle, description, or default channels. Requires permission to manage user groups.

Inputs and outputs

Input

Parameter	Type	Required	Description
`usergroup`	string	Yes	User Group ID
`name`	string	No	Name
`handle`	string	No	Mention Handle
`description`	string	No	Description
`channels`	json	No	Default Channel IDs
`additional_channels`	json	No	Additional Channel IDs
`enable_section`	boolean	No	Show as Sidebar Section
`include_count`	boolean	No	Include Member Count
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`usergroup`	object	Usergroup
↳ `id`	string	Id
↳ `name`	string	Name
↳ `handle`	string	Handle
↳ `description`	string	Description
↳ `team_id`	string	Team id
↳ `users`	array	Users
↳ `user_count`	json	User count
↳ `date_create`	number	Date create
↳ `date_update`	number	Date update
↳ `date_delete`	number	Date delete
↳ `prefs`	object	Prefs
↳ `channels`	array	Channels
↳ `groups`	array	Groups

Slack Enable User Group

Reactivate a disabled Slack user group. Requires permission to manage user groups.

Inputs and outputs

Input

Parameter	Type	Required	Description
`usergroup`	string	Yes	User Group ID
`include_count`	boolean	No	Include Member Count
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`usergroup`	object	Usergroup
↳ `id`	string	Id
↳ `name`	string	Name
↳ `handle`	string	Handle
↳ `description`	string	Description
↳ `team_id`	string	Team id
↳ `users`	array	Users
↳ `user_count`	json	User count
↳ `date_create`	number	Date create
↳ `date_update`	number	Date update
↳ `date_delete`	number	Date delete
↳ `prefs`	object	Prefs
↳ `channels`	array	Channels
↳ `groups`	array	Groups

Slack Disable User Group

Disable a Slack user group and remove its members. Requires permission to manage user groups.

Inputs and outputs

Input

Parameter	Type	Required	Description
`usergroup`	string	Yes	User Group ID
`include_count`	boolean	No	Include Member Count
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`usergroup`	object	Usergroup
↳ `id`	string	Id
↳ `name`	string	Name
↳ `handle`	string	Handle
↳ `description`	string	Description
↳ `team_id`	string	Team id
↳ `users`	array	Users
↳ `user_count`	json	User count
↳ `date_create`	number	Date create
↳ `date_update`	number	Date update
↳ `date_delete`	number	Date delete
↳ `prefs`	object	Prefs
↳ `channels`	array	Channels
↳ `groups`	array	Groups

Slack List User Groups

Read Slack user groups, optionally including disabled groups, members, and member counts.

Inputs and outputs

Input

Parameter	Type	Required	Description
`include_disabled`	boolean	No	Include Disabled Groups
`include_users`	boolean	No	Include Members
`include_count`	boolean	No	Include Member Count
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`usergroups`	array	Usergroups
↳ `id`	string	Id
↳ `name`	string	Name
↳ `handle`	string	Handle
↳ `description`	string	Description
↳ `team_id`	string	Team id
↳ `users`	array	Users
↳ `user_count`	json	User count
↳ `date_create`	number	Date create
↳ `date_update`	number	Date update
↳ `date_delete`	number	Date delete
↳ `prefs`	object	Prefs
↳ `channels`	array	Channels
↳ `groups`	array	Groups

Slack List User Group Members

Read the user IDs in a Slack user group.

Inputs and outputs

Input

Parameter	Type	Required	Description
`usergroup`	string	Yes	User Group ID
`include_disabled`	boolean	No	Include Disabled Users
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`users`	array	Users

Slack Update User Group Members

Replace all members of a Slack user group with the supplied user IDs. An empty list is not supported; disable the group instead.

Inputs and outputs

Input

Parameter	Type	Required	Description
`usergroup`	string	Yes	User Group ID
`users`	json	Yes	User IDs
`additional_channels`	json	No	Additional Channel IDs
`is_shared`	boolean	No	Shared Section
`include_count`	boolean	No	Include Member Count
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`usergroup`	object	Usergroup
↳ `id`	string	Id
↳ `name`	string	Name
↳ `handle`	string	Handle
↳ `description`	string	Description
↳ `team_id`	string	Team id
↳ `users`	array	Users
↳ `user_count`	json	User count
↳ `date_create`	number	Date create
↳ `date_update`	number	Date update
↳ `date_delete`	number	Date delete
↳ `prefs`	object	Prefs
↳ `channels`	array	Channels
↳ `groups`	array	Groups

Slack Get Do Not Disturb Info

Read a user’s Do Not Disturb schedule and available snooze information.

Inputs and outputs

Input

Parameter	Type	Required	Description
`user`	string	No	User ID
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`dnd_enabled`	boolean	Dnd enabled
`next_dnd_start_ts`	number	Next dnd start ts
`next_dnd_end_ts`	number	Next dnd end ts
`snooze_enabled`	boolean	Snooze enabled
`snooze_endtime`	number	Snooze endtime
`snooze_remaining`	number	Snooze remaining
`snooze_is_indefinite`	boolean	Snooze is indefinite

Slack Get Team Do Not Disturb Info

Read Do Not Disturb settings for the supplied user IDs.

Inputs and outputs

Input

Parameter	Type	Required	Description
`users`	json	Yes	User IDs
`team_id`	string	No	Workspace ID

Output

Parameter	Type	Description
`ok`	boolean	Ok
`users`	json	Users

Slack List Custom Emoji

List workspace custom emoji as names mapped to image URLs or alias references.

Inputs and outputs

Input

Parameter	Type	Required	Description

Output

Parameter	Type	Description
`ok`	boolean	Ok
`emoji`	json	Custom emoji names mapped to image URLs or alias:name values

Slack Get Workspace Info

Read a Slack workspace’s name, domain, icon, and available organization details.

Inputs and outputs

Input

Parameter	Type	Required	Description
`team`	string	No	Workspace ID
`domain`	string	No	Workspace Domain

Output

Parameter	Type	Description
`ok`	boolean	Ok
`team`	object	Team
↳ `id`	string	Id
↳ `name`	string	Name
↳ `domain`	string	Domain
↳ `email_domain`	string	Email domain
↳ `enterprise_id`	string	Enterprise id
↳ `enterprise_name`	string	Enterprise name
↳ `icon`	object	Icon
↳ `image_34`	string	Image 34
↳ `image_132`	string	Image 132
↳ `image_default`	boolean	Image default

Slack Get Workspace Profile Fields

Read the workspace’s custom profile field definitions, optionally filtered by visibility.

Inputs and outputs

Input

Parameter	Type	Required	Description
`visibility`	string	No	Visibility Options: all, visible, hidden.

Output

Parameter	Type	Description
`ok`	boolean	Ok
`profile`	object	Teamprofile
↳ `fields`	array	Fields
↳ `id`	string	Id
↳ `label`	string	Label
↳ `hint`	string	Hint
↳ `type`	string	Type
↳ `ordering`	number	Ordering
↳ `is_hidden`	boolean	Is hidden
↳ `section_id`	string	Section id
↳ `possible_values`	array	Possible values
↳ `sections`	array	Sections
↳ `id`	string	Id
↳ `label`	string	Label
↳ `section_type`	string	Section type
↳ `order`	number	Order
↳ `is_hidden`	boolean	Is hidden

Slack Unfurl Links

Attach custom previews to links already shared in a message. Configure the relevant unfurl domains in your Slack app.

Inputs and outputs

Input

Parameter	Type	Required	Description
`channel`	string	Yes	Channel ID
`ts`	string	Yes	Message Timestamp
`unfurls`	json	Yes	JSON object keyed by each shared URL, with Slack attachment fields or blocks as the value.

Output

Parameter	Type	Description
`ok`	boolean	Ok

Triggers

A trigger starts a workflow when a supported event occurs in this service.

Slack

Trigger from Slack events, interactions, and slash commands

Configuration and outputs

Configuration

Parameter	Type	Required	Description
`eventType`	string	Yes	The single Slack event this trigger fires on. Add another trigger block for another event.
`customBotCredential`	string	Yes	Choose a custom Slack bot you set up once and reuse across triggers.
`manualBotCredential`	string	Yes	Set the custom bot credential ID directly.
`source`	string	No	Restrict to direct messages, public channels, or private channels. Leave empty to match any.
`channelFilter`	channel-selector	No	Restrict to specific channels. Leave empty to trigger on any channel the bot has been added to.
`manualChannelFilter`	string	No	Comma-separated channel IDs to restrict to. Set IDs directly here.
`threads`	string	No	Include thread replies, exclude them (top-level only), or fire only on thread replies.
`streamResponse`	boolean	No	Create a Slack agent session and stream selected workflow outputs into the conversation that started this run. Custom bots only.
`streamOutputs`	workflow-output-selector	No	Use `<blockName>.<outputPath>` for this workflow or `<childWorkflowId>.<blockName>.<outputPath>` for a child workflow. Selecting a child workflow applies to every invocation of it. Agent outputs stream live; other outputs are sent when the block completes.
`streamTaskTitle`	string	No	Optional status Slack shows while each selected response is being produced. Leave empty to use Running.
`streamTaskDisplayMode`	string	No	Choose how Slack displays thinking and tool progress.
`streamIncludeThinking`	boolean	No	Show agent thinking as Slack task updates while the response is generated.
`streamIncludeToolCalls`	boolean	No	Show Agent and Sim Chat tool execution progress as Slack task updates.
`emoji`	string	No	Comma-separated emoji names to restrict to. Leave empty to match any emoji.
`nameContains`	string	No	Only fire when the created channel name contains this text.
`interactionFilter`	string	No	Comma-separated action_ids (buttons/selects) or callback_ids (modals) to restrict to. Leave empty to fire on any interaction.
`commandFilter`	string	No	Restrict this trigger to one slash command. Leave empty to fire for every command configured on the bot.
`filterBotMessages`	boolean	No	Ignore messages sent by other bots. This app's own output is always ignored.
`includeOwnMessages`	boolean	No	Also fire on this app's own messages and reactions. Can cause loops — use with care.
`includeFiles`	boolean	No	Download and include file attachments from messages. Requires files:read.

Output

Parameter	Type	Description
`event`	object	Slack event data
↳ `event_type`	string	Type of Slack payload: an Events API event (e.g., app_mention, message), an interactivity type (e.g., block_actions), or "slash_command" for slash commands
↳ `subtype`	string	Message subtype (e.g., channel_join, channel_leave, bot_message, file_share). Null for regular user messages
↳ `channel`	string	Slack channel ID where the event occurred
↳ `channel_name`	string	Human-readable channel name
↳ `channel_type`	string	Type of channel (e.g., channel, group, im, mpim). Useful for distinguishing DMs from public channels
↳ `user`	string	User ID who triggered the event
↳ `user_name`	string	Username who triggered the event
↳ `bot_id`	string	Bot ID if the message was sent by a bot. Null for human users
↳ `text`	string	Message text content. For slash commands, the text after the command. For interactivity, the source message text (falls back to the triggering action value)
↳ `timestamp`	string	Message timestamp from the triggering event
↳ `thread_ts`	string	Parent thread timestamp (if message is in a thread)
↳ `streaming_message_ts`	array	Message timestamps streamed during a stopped agent session
↳ `title`	string	Current agent session title
↳ `previous_title`	string	Previous agent session title
↳ `tab`	string	App Home tab that was opened, including messages for Agent View
↳ `context`	json	Current Agent View context. Normalized from context on app_context_changed/app_home_opened or app_context on message.im
↳ `team_id`	string	Slack workspace/team ID
↳ `user_team_id`	string	Slack workspace/team ID of the user who triggered the event. Used for Slack Connect response streaming.
↳ `enterprise_id`	string	Slack Enterprise Grid organization ID
↳ `event_id`	string	Unique event identifier
↳ `reaction`	string	Emoji reaction name (e.g., thumbsup). Present for reaction_added/reaction_removed events
↳ `item_user`	string	User ID of the original message author. Present for reaction_added/reaction_removed events
↳ `command`	string	Slash command name including the leading slash (e.g., /deploy). Present for slash commands
↳ `action_id`	string	action_id of the first interactive element triggered. Present for block_actions (button/select clicks)
↳ `action_value`	string	Value carried by the first interactive element (button value, selected option, date, etc.). Present for block_actions
↳ `actions`	json	Full array of interactive actions from the payload, preserving every element and its value. Present for block_actions
↳ `response_url`	string	Temporary URL to post a response back to the originating message or command. Present for interactivity and slash commands
↳ `trigger_id`	string	Short-lived trigger ID used to open a modal in response. Present for interactivity and slash commands
↳ `callback_id`	string	Callback ID of the shortcut or view. Present for shortcuts and modal submissions
↳ `api_app_id`	string	Slack app ID. Present for interactivity and slash commands
↳ `app_id`	string	App ID of the app that produced the event (e.g. the bot that posted a message). Used to identify the app's own output
↳ `message_ts`	string	Timestamp of the message the interaction originated from. Present for block_actions
↳ `view`	json	Full Slack view object for modal interactions: state.values (submitted input values), private_metadata, id, callback_id, and hash. Present for view_submission/view_closed; null otherwise
↳ `message`	json	Full source message object the interaction came from, including its blocks and text. Present for block_actions on a message; null otherwise
↳ `state`	json	Current values of all stateful elements in the surface (state.values) at the time of a block action — e.g. inputs read on a button click. Present for block_actions; null otherwise
↳ `hasFiles`	boolean	Whether the message has file attachments
↳ `files`	file[]	File attachments downloaded from the message (if includeFiles is enabled and bot token is provided)

Lists and Canvas notes

Lists

Lists actions require a custom Slack bot and a paid Slack plan. Manage Lists is selected by default during bot setup. For an existing app, add lists:read and lists:write in Slack, reinstall it, then reconnect in Sim.

Share List grants access to users or channels. Choose Share With, enter a JSON array of Slack IDs, and select Can view, Can edit, or Owner. Ownership is for users only and requires the current owner. Creating a List does not automatically share it with your personal Slack account. See Slack's sharing reference.
Run Read List Items with Include List Schema enabled to get the column IDs used in column_id. Updates also need the row's id as row_id.
Initial Fields and Cells accept JSON arrays of typed values. Text uses rich_text; checkboxes use booleans. See Slack's field formats for examples.
To read every row, pass nextCursor into Cursor until it is empty. Archived Rows reads archived rows instead of active rows.

Canvases

For custom bots, Manage canvases is selected by default during setup. Existing apps need canvases:write for changes, canvases:read for section lookup, and files:read for metadata. Reinstall the app after changing scopes, then reconnect in Sim.

Edit Canvas can replace the whole document when Section ID is empty. Get Canvas Info and List Canvases return metadata, not document contents. See Slack's Canvas guide for details.