Hub registration
From MoodleDocs
Registering with a hub
Since Moodle 3.4 registration with custom hubs was removed from Moodle core. Custom hubs can still be created using local_hub plugin.
Plugins are available for sites that run Moodle 3.4 (or later) and that want to register with custom hubs and/or advertise and publish courses on them:
- tool_customhub for registration and course publishing
- block_customhub for searching courses published on custom hubs