**Note**: bridging to [Slack](https://slack.com) can also happen via the [mx-puppet-slack](configuring-playbook-bridge-mx-puppet-slack.md) and [mautrix-slack](configuring-playbook-bridge-mautrix-slack.md) bridges supported by the playbook.
The playbook can install and configure [matrix-appservice-slack](https://github.com/matrix-org/matrix-appservice-slack) for you.
See the project's [documentation](https://github.com/matrix-org/matrix-appservice-slack/blob/master/README.md) to learn what it does and why it might be useful to you.
See https://matrix-appservice-slack.readthedocs.io/en/latest/team_sync/
4. If you've already installed Matrix services using the playbook before, you'll need to re-run it (`--tags=setup-all,start`). If not, proceed with [configuring other playbook services](configuring-playbook.md) and then with [Installing](installing.md). Get back to this guide once ready.
5. Invite the bridge bot user into the admin room:
7. Click on Event Subscriptions and enable them and use the request url `https://matrix.DOMAIN/appservice-slack`. Then add the following events and save:
**Note**: In order to make Slack files visible to matrix users, this bridge will make Slack files visible to anyone with the url (including files in private channels). This is different than the current behavior in Slack, which only allows authenticated access to media posted in private channels. See MSC701 for details.
9. Click on Install App and Install App to Workspace. Note the access tokens shown. You will need the Bot User OAuth Access Token and if you want to bridge files, the OAuth Access Token whenever you link a room.
* Invite the bot user to both the Slack and Matrix channels you would like to bridge using `/invite @matrixbot` for slack and `/invite @slackbot:MY.DOMAIN` for matrix.
* Determine the "channel ID" that Slack uses to identify the channel. You can see it when you open a given Slack channel in a browser. The URL reads like this: `https://app.slack.com/client/XXX/<the channel id>/details/`.
Unlinking doesn't only disconnect the bridge, but also makes the slackbot leave the bridged matrix room. So in case you want to re-link later, don't forget to re-invite the slackbot into this room again.