code: def tacacs_server_host_use_vrf(self, **kwargs):
          
          config = ET.Element("config")
          tacacs_server = ET.SubElement(config, "tacacs-server", xmlns="urn:brocade.com:mgmt:brocade-aaa")
          host = ET.SubElement(tacacs_server, "host")
          hostname_key = ET.SubElement(host, "hostname")
          hostname_key.text = kwargs.pop('hostname')
          use_vrf = ET.SubElement(host, "use-vrf")
          use_vrf.text = kwargs.pop('use_vrf')
  
          callback = kwargs.pop('callback', self._callback)
          return callback(config)
docs: Auto Generated Code