As the initial set of fields get finalized for Metrics Platform initial release (T275420), we will need a resource we can consult when composing streams (cf. Metrics Platform Stream Configuration Syntax) and instrumentation plans.
Acceptance criteria:
- Page/document where we can see all fields available within Metrics Platform
- Documentation for each field that
- Describes the technical details in an understandable way
- Lists any known caveats/gotchas
- Which platforms the field is available on (iOS, KaiOS, Android, MW PHP, MW JS)