you just use "update" in first rule it's works perfeclty you'll get only one sysout printed. -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-how-to-use-only-updated-value-in-drools-tp4017628p4017648.html Sent from the Drools: User forum mailing list archive at Nabble.com.