Possible enumeration values:
| Name | Value | Description |
|---|---|---|
| Unknown |
-1 |
Unknown |
| Schedule |
0 |
Related directly to a Schedule |
| ScheduleGroup |
1 |
Related directly to a Schedule Group |
| ScheduleStep |
2 |
Related directly to a Schedule Step |
| UpdateClock |
100 |
A clock update |
| Command |
200 |
A command has been queued |