Defines available time instant types.
| Member | Value | Description | 
|---|---|---|
| eCrdnEventTypeUnknown | -1 | Unknown or unsupported time instant types | 
| eCrdnEventTypeEpoch | 0 | Time instant set at specified date/time | 
| eCrdnEventTypeExtremum | 1 | Determines time of global minimum or maximum of specified scalar calculation. | 
| eCrdnEventTypeFromInterval | 2 | Start or stop time of selected reference interval | 
| eCrdnEventTypeSignaled | 3 | Determines what time is recorded at target clock location by performing signal transmission of original time instant between base and target clock locations. | 
| eCrdnEventTypeTimeOffset | 4 | Time instant at fixed offset from specified reference time instant | 
| eCrdnEventTypeSmartEpoch | 5 | A smart epoch. | 





