Trigger a workflow execution every time the bot is mentioned in a Slack channel. For DM monitoring, use 'On New Message' trigger instead.

Fires when a new message is posted in a public channel, private channel, DM, or group DM.

Fires when a new message is posted in a public channel using periodic polling.

Triggers when a new public channel is created in the Slack workspace.

Fires when someone adds an emoji reaction to a message in Slack.

Fires when a new user joins the Slack workspace.

Fires when a specific user is @mentioned in a Slack message.

Add an emoji reaction to a Slack message

Add or update a progress card in an active Thread Progress Cards message. Reuse a Step ID to flip a previous card's status.

Archive a Slack channel.

Create a new public or private Slack channel

Create a reminder in Slack.

Delete a file from the Slack workspace

Delete a message from a Slack channel

Download a file from Slack and upload it to temporary storage

Close a Thread Progress Cards message with a final card. Post the real response separately via Send Message.

Get detailed information about a specific Slack channel including metadata and settings

Get detailed information about a specific Slack file

Get all reactions on a Slack message

Get all messages from a Slack thread including the parent message and replies

Get profile information for a Slack user by ID, email, or username.

Get a Slack user's current profile status.

Add a user to an existing Slack channel.

List public and private channels available to the connected Slack app.

List files in the Slack workspace with optional filtering

List members in an existing Slack channel.

List users from the connected Slack workspace.

Send a message to Slack. Choose Plain Text for simple messages with Markdown, or Block Kit for rich formatting with images, dividers, and custom layouts. Plain Text mode can also attach file URLs or Slack file IDs.

Remove an emoji reaction from a Slack message

Search for messages in Slack channels using keyword or semantic search. Requires OAuth2 connection.

Send an interactive Slack message that collects user responses. Choose Plain Text for simple messages or Block Kit for rich formatting. Interactive buttons are automatically appended in both modes.

Show 'is thinking...' with the bot-name shimmer in a Slack Assistant thread. Requires the Slack app to be registered as an Assistant. Clears when the bot next posts in the thread.

Set the authenticated Slack user's profile status.

Post the first progress card in a Slack thread. Use before LLM or tool nodes; pair with Add Thread Progress Card and Finish Thread Progress Cards.

Update an existing message in a Slack channel

Upload files to Slack. Supports URLs, base64 content, and text with single channel sharing.