code: public function showAction(Comment $comment)
      {
          $deleteForm = $this->createDeleteForm($comment);
  
          return array(
              'entity' => $comment,
              'delete_form' => $deleteForm->createView(),
          );
      }
docs: Finds and displays a Comment entity.
  
  @Route("/{id}")
  @Method("GET")
  @Template()