how to show the how long alert took triggered from the time the event occurred. To calculate the "diff" in times, to subtract either (_time - event_time) or, if event_time is null, (_time - orig_time), and then calculate the average time it took for each rule to fire, over time. i have tried to calculate the diff but event_time and orig_time is present in same event and some doest have. Please help me to identify the difference in event time and alert triggering time delay. index=notable
| eval diff = _time - event_time
| convert ctime(diff), ctime(orig_time)
| table event_time orig_time _time diff search_name
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