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CallActivity and passing parameters

Question asked by richard1 on Mar 16, 2011
Latest reply on Mar 17, 2011 by trademak
Maybe a newbe question. How do you add parameters to be passed to and from a Call Activity? In the Activiti User Guide it states that you can add extensionElements with activiti:in in and out tags within it. In the designer there in no place to add these parameters. If I edit the BPMN2.0 XML directly, the values are erased the next time I update the diagram. Am I doing something wrong or are in/out parameters not yet supported in the designer yet?

Here is their example:
<callActivity id="callSubProcess" calledElement="checkCreditProcess" >
          <activiti:in source="someVariableInMainProcess" target="nameOfVariableInSubProcess" />
          <activiti:out source="someVariableInSubProcss" target="nameOfVariableInMainProcess" />

Thank You,