I have the below rules written but $xyz isn't available or visible in Rule 2. Is this the way extends keyword works? rule "test 1" when $xyz : XYZ(value == 0); then // do somethings rule "test 2" extends "test 1" when eval($xyz.reference == 1) then // do something. Exception: Error: unable to resolve method using strict-mode: java.lang.Object.$xyz() -- View this message in context: http://drools.46999.n3.nabble.com/Extended-rule-doesn-t-have-reference-to... Sent from the Drools: User forum mailing list archive at Nabble.com.