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

# Slack message updated

> Fired when a Slack message on a thread is edited, deleted or reacted to.

This event is fired when a Slack message in a thread is edited, deleted, or has a reaction added or removed. `changeType` tells you which happened. `reactionChange` is only populated when `changeType` is `REACTIONS_CHANGED`, and is null otherwise.

## Schema

[**View JSON Schema →**](https://core-api.uk.plain.com/webhooks/schema/latest.json)

Example:

<Snippet file="webhooks/thread-slack-message-updated.mdx" />

<Snippet file="webhooks/sdk-usage.mdx" />