Neos\Media\Browser\Controller\Module\Management\AssetController::addFlashMessage PHP Метод

    public function addFlashMessage($messageBody, $messageTitle = '', $severity = Message::SEVERITY_OK, array $messageArguments = [], $messageCode = null)
    {
        if (is_string($messageBody)) {
            $messageBody = $this->translator->translateById($messageBody, $messageArguments, null, null, 'Modules', 'Neos.Neos') ?: $messageBody;
        }
        $messageTitle = $this->translator->translateById($messageTitle, $messageArguments, null, null, 'Modules', 'Neos.Neos');
        parent::addFlashMessage($messageBody, $messageTitle, $severity, $messageArguments, $messageCode);
    }