OptionalcdnSetting the CDN provider in the configuration allows you to use CDN as a breakdown or global filter in the Bitmovin Analytics Dashboard and API. This will enable you to compare the performance of the different CDN providers that you’re using.
OptionalcustomThe customData fields.
OptionalcustomThe customUserId fields.
DefaultMetadata can be set during player creation, and this contains source independent data.
https://developer.bitmovin.com/playback/docs/configuration-analytics