register('{{ machine_name }}.example_subscriber', ExampleSubscriber::class) // ->addTag('event_subscriber') // ->addArgument(new Reference('entity_type.manager')); // @endcode } {% endif %} {% if modify %} /** * {@inheritdoc} */ public function alter(ContainerBuilder $container): void { // @DCG Example of how to swap out existing service. // @code // if ($container->hasDefinition('logger.dblog')) { // $container->getDefinition('logger.dblog') // ->setClass(ExampleLogger::class); // } // @endcode } {% endif %} }