public function initTwig(\ContaoTwigInitializeEvent $event)
    {
        if (!$this->scopeDeterminator->currentScopeIsBackend()) {
            return;
        }

        $contaoTwig  = $event->getContaoTwig();
        $environment = $contaoTwig->getEnvironment();

        $environment->addExtension(new DcGeneralExtension());
    }