The Event type exposes the following members.
An arbitrary user-provided string containing information about the event, passed from the client-side eventInfo parameter that's passed into PostEvent(CachedObjectId, String, Byte, NullableTimeSpan).
The named cache that can be used to access the object associated with ObjectId .
Key to an object stored in the ScaleOut service to which the event is to be applied.
An optional payload of bytes that can hold data related to the event (typically a serialized object).