event history Structure: Event history.
event history structure
event IDunique ID
last triggereddate: optional
last starteddate: optional
last finisheddate: optional
trigger countinteger: optional
perform countinteger: optional
A history of each event is kept. The history represents the behaviour of the event with a given unique ID. The history is maintained for as long as the event exists.
Unique identifier of the represented event.
The event ID is included to help clients issuing multiple event history requests track responses.
Date the event was last triggered.
The most recent date the event was triggered. If an event has multiple triggers, this date refers to the most recent trigger.
If last triggered is not present, the event has not been triggered.
Date the event was last performed.
The most recent date the event started performing. The event will perform if triggered, and then only if all the conditions are met. last started represents the date the trigger and conditions were successfully met.
If last started is not present, the event has not been performed.
Date the event last finished performing.
The most recent date the event finished performing.
last started may be more recent than last finished. This can happen when an event may be performed concurrently; one instance finished while a second started slightly later and is still running.
If last finished is not present, the event has not finished being performed.
Number of times the event has been triggered.
An event may be triggered may times before its conditions are met. This value is incremented each time an event's trigger is fired, regardless of whether any conditions are met.
Number of times the event has been performed.
Count of the number of times an event has been triggered, and any conditions are met.
The count is incremented when the event's performance begins.
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