code: public void updateTarget() {
          /* save updated entity */
          final Target target = targetManagement.update(entityFactory.target().update(controllerId)
                  .name(nameTextField.getValue()).description(descTextArea.getValue()));
          /* display success msg */
          uINotification.displaySuccess(i18n.getMessage("message.update.success", target.getName()));
          // publishing through event bus
          eventBus.publish(this, new TargetTableEvent(BaseEntityEventType.UPDATED_ENTITY, target));
      }
docs: Update the Target if modified.