logDeletionMessage example

$untranslated_entity = $entity->getUntranslated();
      $untranslated_entity->removeTranslation($entity->language()->getId());
      $untranslated_entity->save();
      $form_state->setRedirectUrl($untranslated_entity->toUrl('canonical'));
    }
    else {
      $entity->delete();
      $form_state->setRedirectUrl($this->getRedirectUrl());
    }

    $this->messenger()->addStatus($message);
    $this->logDeletionMessage();
  }

  /** * {@inheritdoc} */
  public function getCancelUrl() {
    /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
    $entity = $this->getEntity();
    return $entity->isDefaultTranslation() ? $this->traitGetCancelUrl() : $entity->toUrl('canonical');
  }

  

'%label' => $entity->label(),
    ]);
  }

  /** * {@inheritdoc} */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->getEntity()->delete();
    $this->messenger()->addStatus($this->getDeletionMessage());
    $form_state->setRedirectUrl($this->getCancelUrl());
    $this->logDeletionMessage();
  }

}