You could create a Fact called MessageType that contains a string representing the type, and insert that into your session. You'd then adjust your rule like this: rule"Test" when MessageType($messageType : type) message:Message(type==$messageType) then System.out.println("Hello Richa....."); end -- View this message in context: http://drools.46999.n3.nabble.com/Pass-Parameter-to-drools-file-dynamical... Sent from the Drools: User forum mailing list archive at Nabble.com.