code: @Override
  	public void execute() {
  		if (target instanceof WComponentGroup<?>) {
  			for (WComponent component : ((WComponentGroup<WComponent>) target).getComponents()) {
  				if (component instanceof SubordinateTarget) {
  					applyAction((SubordinateTarget) component, value);
  				}
  			}
  		} else {
  			// Leaf.
  			applyAction(target, value);
  		}
  
  	}
docs: Execute the action.