code: def create(self, name, site_element):
          
          site_element = element_resolver(site_element)
          json = {
              'name': name,
              'site_element': site_element}
          
          return ElementCreator(
              self.__class__,
              href=self.href,
              json=json)
docs: Create a VPN site for an internal or external gateway
  
          :param str name: name of site
          :param list site_element: list of protected networks/hosts
          :type site_element: list[str,Element]
          :raises CreateElementFailed: create element failed with reason
          :return: href of new element
          :rtype: str