comparison core/modules/action/src/ActionFormBase.php @ 17:129ea1e6d783

Update, including to Drupal core 8.6.10

   /**
    * {@inheritdoc}
    */
   public function save(array $form, FormStateInterface $form_state) {
     $this->entity->save();
-    drupal_set_message($this->t('The action has been successfully saved.'));
+    $this->messenger()->addStatus($this->t('The action has been successfully saved.'));
 
     $form_state->setRedirect('entity.action.collection');
   }
 
   /**