It is looking for com.sample.Qos. Try to add the import statement test.java.Qos somewhere on top of your file. Regards, Frank penny wrote > Hi,there.I have a class in test.java file.It looks like: > class Qos{ > boolean S; > boolean W; > Qos(){ > S = true; > W = false; > } > public boolean getS(){ > return S; > } > public boolean getW(){ > return W; > } > } > > Now I want to use the Qos class in my rule file like this: > rule "rule1" > ruleflow-group "myRules" > salience 4 > when > //conditions > $qos:Qos(S==true && W==true); > then > System.out.println("rule1"); > end > > But here is an error. > [Error: could not access field: com.sample.Qos.S] > [Near : {... S == true ....}] > ^ > [Line: 1, Column: 1] > > How can I do? -- View this message in context: http://drools.46999.n3.nabble.com/How-to-pass-variables-to-a-drools-rule-... Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users