Slack
Slack is a channel-based messaging platform. With Slack, people can work together more effectively, connect all their software tools and services, and find the information they need to do their best work - all within a secure, enterprise-grade environment.
What agents can do
Actions133
Add an emoji alias in slack
Adds an alias for an existing custom emoji in a slack enterprise grid organization.
Add a remote file from a service
Adds a reference to an external file (e.g., google drive, dropbox) to slack for discovery and sharing, requiring a unique `external id` and an `external url` accessible by slack.
Add a star to an item
Stars a channel, file, file comment, or a specific message in slack.
Add call participants
Registers new participants added to a slack call.
Add emoji
Adds a custom emoji to a slack workspace given a unique name and an image url; subject to workspace emoji limits.
Add reaction to an item
Adds a specified emoji reaction to an existing message in a slack channel, identified by its timestamp; does not remove or retrieve reactions.
Archive a public or private channel
Archives a slack public or private channel, making it read-only; the primary 'general' channel cannot be archived.
Archive a slack conversation
Archives a slack conversation by its id, rendering it read-only and hidden while retaining history, ideal for cleaning up inactive channels; be aware that some channels (like #general or certain dms)…
52 moreFewer
Close dm or multi person dm
Closes a slack direct message (dm) or multi-person direct message (mpdm) channel, removing it from the user's sidebar without deleting history; this action affects only the calling user's view.
Create a reminder
Creates a slack reminder with specified text and time; time accepts unix timestamps, seconds from now, or natural language (e.g., 'in 15 minutes', 'every thursday at 2pm').
Create a slack user group
Creates a new user group (often referred to as a subteam) in a slack workspace.
Create channel
Initiates a public or private channel-based conversation
Create channel based conversation
Creates a new public or private slack channel with a unique name; the channel can be org-wide, or team-specific if `team id` is given (required if `org wide` is false or not provided).
Customize url unfurl
Customizes url previews (unfurling) in a specific slack message using a url-encoded json in `unfurls` to define custom content or remove existing previews.
Delete a comment on a file
Deletes a specific comment from a file in slack; this action is irreversible.
Delete a file by id
Permanently deletes an existing file from a slack workspace using its unique file id; this action is irreversible and also removes any associated comments or shares.
Delete a public or private channel
Permanently and irreversibly deletes a specified public or private channel, including all its messages and files, within a slack enterprise grid organization.
Delete a scheduled message in a chat
Deletes a pending, unsent scheduled message from the specified slack channel, identified by its `scheduled message id`.
Delete a slack reminder
Deletes an existing slack reminder, typically when it is no longer relevant or a task is completed; this operation is irreversible.
Deletes a message from a chat
Deletes a message, identified by its channel id and timestamp, from a slack channel, private group, or direct message conversation; the authenticated user or bot must be the original poster.
Delete user profile photo
Deletes the slack profile photo for the user identified by the token, reverting them to the default avatar; this action is irreversible and succeeds even if no custom photo was set.
Disable an existing slack user group
Disables a specified, currently enabled slack user group by its unique id, effectively archiving it by setting its 'date delete' timestamp; the group is not permanently deleted and can be re-enabled.
Enable a specified user group
Enables a disabled user group in slack using its id, reactivating it for mentions and permissions; this action only changes the enabled status and cannot create new groups or modify other properties.
Enable public sharing of a file
Enables public sharing for an existing slack file by generating a publicly accessible url; this action does not create new files.
End a call with duration and id
Ends an ongoing slack call, identified by its id (obtained from `calls.add`), optionally specifying the call's duration.
End snooze
Ends the current user's snooze mode immediately.
End user do not disturb session
Ends the authenticated user's current do not disturb (dnd) session in slack, affecting only dnd status and making them available; if dnd is not active, slack acknowledges the request without changing…
Fetch bot user information
Fetches information for a specified, existing slack bot user; will not work for regular user accounts or other integration types.
Fetch conversation history
Fetches a chronological list of messages and events from a specified slack conversation, accessible by the authenticated user/bot, with options for pagination and time range filtering.
Fetch item reactions
Fetches reactions for a slack message, file, or file comment, requiring one of: channel and timestamp; file id; or file comment id.
Fetch message thread from a conversation
Retrieves replies to a specific parent message in a slack conversation, using the channel id and the parent message's timestamp (`ts`).
Fetch team info
Fetches comprehensive metadata about the current slack team, or a specified team if the provided id is accessible.
Fetch workspace settings information
Retrieves detailed settings for a specific slack workspace, primarily for administrators in an enterprise grid organization to view or audit workspace configurations.
Find channels
Find channels in a slack workspace by any criteria - name, topic, purpose, or description.
Find user by email address
Retrieves the slack user object for an active user by their registered email address; fails with 'users not found' if the email is unregistered or the user is inactive.
Find users
Find users in a slack workspace by any criteria - email, name, display name, or other text.
Get channel conversation preferences
Retrieves conversation preferences (e.g., who can post, who can thread) for a specified channel, primarily for use within slack enterprise grid environments.
Get reminder information
Retrieves detailed information for an existing slack reminder specified by its id; this is a read-only operation.
Get remote file
Retrieve information about a remote file added to slack.
Get team dnd status
Retrieves a user's current do not disturb status.
Get user presence info
Retrieves a slack user's current real-time presence (e.g., 'active', 'away') to determine their availability, noting this action does not provide historical data or status reasons.
Invite users to a slack channel
Invites users to an existing slack channel using their valid slack user ids.
Invite user to channel
Invites users to a specified slack channel; this action is restricted to enterprise grid workspaces and requires the authenticated user to be a member of the target channel.
Invite user to workspace
Invites a user to a slack workspace and specified channels by email; use `resend=true` to re-process an existing invitation for a user not yet signed up.
Join an existing conversation
Joins an existing slack conversation (public channel, private channel, or multi-person direct message) by its id, if the authenticated user has permission.
Leave a conversation
Leaves a slack conversation given its channel id; fails if leaving as the last member of a private channel or if used on a slack connect channel.
List all channels
Lists conversations available to the user with various filters and search options.
List all users
Retrieves a paginated list of all users, including comprehensive details, profile information, status, and team memberships, in a slack workspace; data may not be real-time.
List all users in a user group
Retrieves a list of all user ids within a specified slack user group, with an option to include users from disabled groups.
List conversations
Retrieves conversations accessible to a specified user (or the authenticated user if no user id is provided), respecting shared membership for non-public channels.
List files with filters in slack
Lists files and their metadata within a slack workspace, filterable by user, channel, timestamp, or type; this action returns metadata only, not file content.
List reminders
Lists all reminders with their details for the authenticated slack user; returns an empty list if no reminders exist.
List remote files
Retrieve information about a team's remote files.
List scheduled messages
Retrieves a list of pending (not yet delivered) messages scheduled in a specific slack channel, or across all accessible channels if no channel id is provided, optionally filtered by time and…
Lists pinned items in a channel
Retrieves all messages and files pinned to a specified channel; the caller must have access to this channel.
List starred items
Lists items starred by a user.
List team custom emojis
Retrieves all custom emojis for the slack workspace (image urls or aliases), not standard unicode emojis; does not include usage statistics or creation dates.
List user groups for team with options
Lists user groups in a slack workspace, including user-created and default groups; results for large workspaces may be paginated.
List user reactions
Lists all reactions added by a specific user to messages, files, or file comments in slack, useful for engagement analysis when the item content itself is not required.
List workspace users
Retrieves a paginated list of admin users for a specified slack workspace.
And 73 more in Definable.
Starts an agent when
New Channel Created Trigger
Triggered when a new channel is created in Slack.
The moment it happens
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM).
The moment it happens
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack.
The moment it happens
Message Reaction Added
Triggered when a reaction is added to a message in Slack.
The moment it happens
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack.
The moment it happens
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead.
The moment it happens
Reaction Removed Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_REMOVED` instead.
The moment it happens
New Bot Message Received Trigger
DEPRECATED: use `SLACK_CHANNEL_MESSAGE_RECEIVED` with `is_bot_message=true` instead.
The moment it happens
New Message Received Trigger
DEPRECATED: use `SLACK_CHANNEL_MESSAGE_RECEIVED` instead.
The moment it happens
How it connects
You sign in to Slack in a window. Composio, our app-connections provider, holds the sign-in; Definable keeps only a reference to it.
Keep the connection to yourself or share it with your workspace. Any action that writes or sends can wait for your approval.
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