code: public void addMasterListeners()
      {
          super.addMasterListeners();
          this.addListener(new SetUserIDHandler(Issue.ENTERED_BY_USER_ID, true));
          this.addListener(new SetUserIDHandler(Issue.CHANGED_BY_USER_ID, true));
          this.addListener(new DateChangedHandler(Issue.CHANGED_DATE));
      }
docs: AddMasterListeners Method.