code: @Override
      protected void perform(final Wave wave) {
  
          LOGGER.info("Display a pop up from JAT");
  
          final Stage s = StageBuilder.create()
                                      .title("Sample Ui Command Test")
                                      .style(StageStyle.DECORATED)
                                      .scene(SceneBuilder.create()
                                                         .root(LabelBuilder.create().text("Run into JAT").build())
                                                         .build())
  
                                      .build();
  
          s.show();
          // Sample for popup => Attach owner !!!
          // getLocalFacade().getGlobalFacade().getApplication().getStage()
      }
docs: {@inheritDoc}