Hi All, I am new to Drools and the RE concept and I have the following Rule defined in my *.drl* file in Eclipse. *Requirement:* I want to be able to fetch the Alert List from the Alert Object and if the alert source attribute is the same i want to combine multiple alerts present in the List stated below into a single Unique alert based on some checks rule "Correlate" when $alert : Alert() $list : Alert ( sourceName=="NETWORK NAME") from $alert.alerts ///alerts is a ArrayList of Alert Objects/ then checkForMoreStuff($list); /// I passes each alert to the function or something not sure...?/ end function void checkForMoreStuff(Alert alert) { // Not sure if this is required } -- View this message in context: http://drools.46999.n3.nabble.com/Drools-5-4-How-to-use-functions-and-cla... Sent from the Drools: User forum mailing list archive at Nabble.com.