public function setDefaultTargetUseURI(string $default_target_use_uri = "N") : CNabuDataObject
    {
        if ($default_target_use_uri === null) {
            throw new ENabuCoreException(
                    ENabuCoreException::ERROR_NULL_VALUE_NOT_ALLOWED_IN,
                    array("\$default_target_use_uri")
            );
        }
        $this->setValue('nb_site_default_target_use_uri', $default_target_use_uri);
        
        return $this;
    }