i have to first occurence of a particular event for the list of users in splunk.
eg: i have list of user say 10 from another query.
i am using below query to find date of first mail sent by customer 12345. How do i find the same for a list of customer that i get from another query?
index=abc appname=xyz "12345" "*\"SENT\"}}"|reverse|table _time|head 1