> ## Documentation Index
> Fetch the complete documentation index at: https://clearskies.cc/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Send a Slack message from a workflow

> Post a message to Slack as a workflow step — recaps, alerts, and briefs land in the right channel or DM the moment the workflow runs.

A workflow can post to Slack as a step. Write the message, choose who receives it, and it goes out the moment the workflow reaches that step — a call recap in the account channel, a deal alert to the owner, a morning digest to the team.

## How to use it

1. Add a **Slack message** step to your workflow.
2. Write the **message**. It accepts variables from earlier steps, so you can drop in the account name, a summary an agent produced, or a field from the triggering record.
3. Choose the **recipients** — at least one. A recipient can be a **channel**, a **user**, a **variable** that resolves to a channel or person at run time (for example, the account's Slack channel), or a **channel template**.

## Good to know

* Add a **threaded message** to post a follow-up in the thread under the main message — useful for keeping detail out of the top-line post.
* Turn on [human review](/docs/workflows/human-review) to hold the message for one person's approval before it posts.
* A test run never actually posts to Slack — it shows you what the message would be, so you can check a workflow safely before publishing.

## In practice

When an external call ends, run an agent to summarize it, then post the recap to the account's Slack channel with `{{agent-1.output}}` in the message — the team sees the summary without anyone writing it up.

## Related

* [Run an agent](/docs/workflows/actions/run-an-agent) — generate the text the Slack message posts
* [Triggers](/docs/workflows/triggers) — start the workflow on the event you want to announce
* [Human review](/docs/workflows/human-review) — approve a message before it posts

Questions? We're here to help at [support@clearskies.cc](mailto:support@clearskies.cc)