Occurs when sp_trace_generateevent is called. Use this event to monitor user-defined events in your application code during ...

Occurs when sp_trace_generateevent is called. Use this event to monitor user-defined events in your application code during testing or execution. The data that is returned from user_event includes the event_id that was specified in the call to sp_trace_generateevent. This can be a value between 82 and 91.