apiDocGenerator = $apiDocGenerator; $this->twig = $twig; } public function __invoke() { return new Response( $this->twig->render('@NelmioApiDoc/SwaggerUi/index.html.twig', ['swagger_data' => ['spec' => $this->apiDocGenerator->generate()->toArray()]]), Response::HTTP_OK, ['Content-Type' => 'text/html'] ); } }