`app.navigation` | Set to `true` to show navigation entry
`app.navigation.name` | Defines the navigation label. Default "BigBlueButton".
`api.url` | URL to your BBB server. Should start with `https://`
`api.secret` | Secret of your BBB server
`api.meta_analytics-callback-url` | URL which gets called after meetings ends to generate statistics. See [bbb-analytics](https://github.com/betagouv/bbb-analytics).
`app.shortener` | Value of your shortener service. Should start with `https://` and contain `{token}`.
`avatar.path` | Absolute path to an optional avatar cache directory.
`avatar.url` | URL which serves `avatar.path` to be used as avatar cache.
### Avatar cache (v2.2+)
The generation of avatars puts a high load on your Nextcloud instance, since the
// For more details: https://github.com/bigbluebutton/bigbluebutton/blob/develop/record-and-playback/core/scripts/post_events/post_events_analytics_callback.rb