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