@vikramyadav These parameters are used as a check. file.csv user id_old info2 john abcd qwer index = IndexName username id info2 Aram ghjk qweiq Condition, if the user is not found in the file, then write it to the file the check is that if the id in index is not equal to id_old in file.csv, then it is added to the file with different values. or an event arrived in the index with a new user and after checking it is not in file.csv, then it is added to the file example: index="IndexName" | table username, id, info2 | lookup file.csv user as username output id_old user | where NOT (id_old = id or username = user) <- This line checks only one condition. if I put only one condition, it works correctly. And I need if one condition is true then check the following @vikramyadav Help pls
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