public function setHTTPSupport(string $http_support = "F") : CNabuDataObject
    {
        if ($http_support === null) {
            throw new ENabuCoreException(
                    ENabuCoreException::ERROR_NULL_VALUE_NOT_ALLOWED_IN,
                    array("\$http_support")
            );
        }
        $this->setValue('nb_site_http_support', $http_support);
        
        return $this;
    }