FluidTYPO3\Fluidpages\Provider\PageProvider::getControllerExtensionKeyFromRecord PHP Метод

    public function getControllerExtensionKeyFromRecord(array $row)
    {
        $action = $this->getControllerActionReferenceFromRecord($row);
        if (false !== strpos($action, '->')) {
            $extensionName = array_shift(explode('->', $action));
            return $extensionName;
        }
        return $this->extensionKey;
    }