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The ‘Slack - Send Message’ Tool step allows you to send a message to one of your Slack channels from Relevance AI.
You can learn more about the Slack integration here.
This integration for Slack was developed by our team and is not affiliated with Slack. Please contact our Support for any questions/queries you may have.

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Add the ‘Slack - Send Message’ Tool step to your Tool

You can add the ‘Slack - Send Message’ Tool step to your Tool by:
  1. Creating a new Tool, then searching for the ‘Slack: Send Message’ Tool step
  2. Click ‘Expand’ to see the full Tool step
  3. Select the Slack channel you want to send the message to
  4. Add your message in the ‘Message’ field
  5. Click ‘Run step’ to test out your Tool step

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Advanced settings

These optional settings let you control message appearance in Slack. Leaving them unselected preserves existing behavior — they are fully backward-compatible. A Show/Hide dropdown that controls whether Slack automatically expands URLs in your message into preview cards. This maps to the unfurl_links parameter in the Slack API. Set to Hide to suppress link unfurling — useful when you want to keep messages compact or avoid generating previews for URLs that don’t benefit from them.

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Media previews

A Show/Hide dropdown that controls whether Slack automatically expands media (images, videos, and other media URLs) into inline preview cards. This maps to the unfurl_media parameter in the Slack API. Set to Hide to prevent Slack from embedding media previews inline — useful when sharing links to media files where the expanded card would clutter the message.
Both settings are available in the ‘Slack - Send Message’, ‘Slack - Send Message (Advanced)’, and ‘Slack - Send Message V2’ Tool steps.