What is the eventCategory for Project Area change event? And how to set an IProcessDefinitionCreatorParticipant?

 Hi guys,

 <extension

       point="com.ibm.team.process.service.processDefinitionCreatorParticipants">

    <processDefinitionCreatorParticipant>

       <extensionService

             componentId="com.pitang.rtc.experiments.service.ProjectAreaCreationServiceId"

             implementationClass="com.pitang.rtc.experiments.service.ProjectAreaCreationService">

                <prerequisites>

<requiredService interface="com.ibm.team.repository.service.IRepositoryItemService"/>

          </prerequisites>  

       </extensionService>

    </processDefinitionCreatorParticipant>

 </extension>

I wrote a very simple code to test it

public class ProjectAreaCreationService  extends ProcessAuthoringAbstractService implements IProjectAreaInitializer, IProcessDefinitionCreatorParticipant {

public void run(IProjectAreaHandle projectAreaHandle) throws TeamRepositoryException {

IProjectArea projectArea = (IProjectArea) getService(

IRepositoryItemService.class).fetchItem(projectAreaHandle,

null);

System.out.println("ProjectArea Created: "+projectArea.getName());

System.out.println("Process Used: "+projectArea.getProcessName());

    }

}

But no success

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