$message = $result == SAVED_NEW
? $this->t('Created new {{ entity_type_label|lower }} %label.', $message_args)
: $this->t('Updated {{ entity_type_label|lower }} %label.', $message_args);
- drupal_set_message($message);
+ $this->messenger()->addStatus($message);
$form_state->setRedirectUrl($this->entity->toUrl('collection'));
return $result;
}