Neos\Media\Browser\Controller\AssetController::deleteAction PHP Метод

    public function deleteAction(Asset $asset)
    {
        try {
            $this->assetRepository->remove($asset);
            $this->addFlashMessage('assetHasBeenDeleted', '', Message::SEVERITY_OK, [htmlspecialchars($asset->getLabel())]);
        } catch (AssetServiceException $exception) {
            $this->addFlashMessage('assetCouldNotBeDeleted', '', Message::SEVERITY_WARNING, [], 1462196565);
        }
        $this->redirect('index');
    }