matrix-docker-ansible-deploy/docs/configuring-playbook-bridge-mautrix-facebook.md

Setting up Mautrix Facebook (optional)

The playbook can install and configure mautrix-facebook for you.

See the project’s documentation to learn what it does and why it might be useful to you.

matrix_mautrix_facebook_enabled: true

You then need to start a chat with @facebookbot:YOUR_DOMAIN (where YOUR_DOMAIN is your base domain, not the matrix. domain).