Its possible to use 'exists' keyword to get the number of occurance? Eg: context : Context(state == Context:START_UP) exists ClassName(varName == "value") The ClassName is an Object array..... So to get the number of occurance of the "value" in varName, we have any method or keywords? -- View this message in context: http://www.nabble.com/Usage-of-%27exists%27-keyword-to-get-the-number-of-... Sent from the drools - user mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users