Custom event triggered on specific playback event defined in MKAnalyticsDataName with optional data associated to that event.
Name of the analytics data as defined in 'MKAnalyticsDataName'
Optional
Value of the analytics data (Optional).
The timestamp (in milliseconds) when this event was fired.
Event type.
Custom event triggered on specific playback event defined in MKAnalyticsDataName with optional data associated to that event.