Well, I'm in a dead end with my model, so I'm going to consider your idea. I think it is best solution. Thanks again. -- View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/Reasoning-with-past-events-tp1903815p1904505.html Sent from the Drools - User mailing list archive at Nabble.com.