Hello, I think you meant for the logic to be: this after[1ms, 5m] $ev1... your are using ths before[1ms, 5m] which would give the output you are seeing. -- View this message in context: http://drools.46999.n3.nabble.com/Event-Processing-in-Drools-tp4025029p4025037.html Sent from the Drools: User forum mailing list archive at Nabble.com.