Hi All, I have the following situation where I am passing a parameter to the .rf file called createUser how I can define it in the constraint editor of the XOR I am currently using dialect: java type: code and using return createUser; how can this be transformed using dialect: mvel type: rule I tried eval(createUser) but its not working?? can someone help in this issue?? Regards -- View this message in context: http://old.nabble.com/Constraint-Editors-of-the-Rule-Flow-tp26576310p2657... Sent from the drools - user mailing list archive at Nabble.com.