[matrix-appservice-slack](configuring-playbook-bridge-appservice-slack.md) and [mautrix-slack](configuring-playbook-bridge-mautrix-slack.md) bridges supported by the playbook.
Follow the [OAuth credentials](https://github.com/Sorunome/mx-puppet-slack#option-2-oauth) instructions to create a new Slack app, setting the redirect URL to `https://matrix.DOMAIN/slack/oauth`.
## Adjusting the playbook configuration
To enable the [Slack](https://slack.com/) bridge, add the following configuration to your `inventory/host_vars/matrix.DOMAIN/vars.yml` file:
```yaml
matrix_mx_puppet_slack_enabled: true
# Client ID must be quoted so YAML does not parse it as a float.