code: public function addFormFields(FormBuilderInterface $builder, FormInterface $form, $defaults)
      {
          $fieldset = $this->getFieldset($builder, $form);
          
          $fieldset->addChild($builder->getElement('tip', [
              'tip' => $this->trans('product_showcase.tip'),
          ]));
          
          $status = $fieldset->addChild($builder->getElement('select', [
              'name'    => 'status',
              'label'   => $this->trans('product_showcase.label.status'),
              'options' => $this->get('product_status.dataset.admin')->getResult('select'),
          ]));
          
          $status->setValue($this->getPropertyAccessor()->getValue($defaults, '[status]'));
      }
docs: {@inheritdoc}