Is there any reason the function wouldn't work? I've removed the generics to get around that issue for now, but I still get an error in relation to calling the function. -- View this message in context: http://drools.46999.n3.nabble.com/Drools-Upgrade-to-5-4-tp4019321p4019328.html Sent from the Drools: User forum mailing list archive at Nabble.com.