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docs: Slack user group mentions and @handle matching #2387

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docs: document Slack user group mentions and @handle matching
EladBarkay Oct 8, 2026
0f08dfd
docs: move Slack tagging rules into the shared owners section
EladBarkay Oct 11, 2026
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20 changes: 20 additions & 0 deletions docs/snippets/guides/alerts-code-configuration.mdx
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Expand Up @@ -56,6 +56,26 @@ Elementary prioritizes configuration in the following order:

<Subscribers />

#### Tagging owners and subscribers on Slack

Elementary tags the owners and subscribers of each alert on Slack. A value that starts with `@` is matched,
case-insensitively, in this order:

1. A Slack user whose email address starts with the handle (`@jessica.jones` tags jessica.jones@marvel.com).
2. A Slack user whose display name matches the handle.
3. A Slack user group whose handle matches (`@data-team` tags the `data-team` group). This requires the Slack app to
have the `usergroups:read` scope.

You can also use a full email address, without `@` (`jessica.jones@marvel.com`).

If several users match, full members take precedence over guests. Bots and deactivated users are ignored.
A handle that doesn't match anything is shown as plain text, and the alert is still sent.

<Info>
With the Elementary CLI, tagging requires a [Slack token](/oss/deployment-and-configuration/slack#token-vs-webhook).
A Slack webhook posts the handles as plain text.
</Info>

#### Test description

<Description />
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1 change: 1 addition & 0 deletions docs/snippets/setup-slack-integration.mdx
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Expand Up @@ -48,6 +48,7 @@ Go to the "OAauth & Permissions" page for your newly-created app, and add the fo
- `users:read` - View people in a workspace
- `users:read.email` - View email addresses of people in a workspace
- `groups:read` - View basic information about private channels that your slack app has been added to
- `usergroups:read` - View user groups in a workspace (optional, needed only to [tag user groups](/oss/guides/alerts/alerts-configuration#tagging-owners-and-subscribers-on-slack) in alerts)

<img
src="https://res.cloudinary.com/diuctyblm/image/upload/v1695889115/slack-app-permissions-new_bysiso.png"
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