code: def hide_virtual_ip_holder_chassis_virtual_ipv6(self, **kwargs):
          
          config = ET.Element("config")
          hide_virtual_ip_holder = ET.SubElement(config, "hide-virtual-ip-holder", xmlns="urn:brocade.com:mgmt:brocade-chassis")
          chassis = ET.SubElement(hide_virtual_ip_holder, "chassis")
          virtual_ipv6 = ET.SubElement(chassis, "virtual-ipv6")
          virtual_ipv6.text = kwargs.pop('virtual_ipv6')
  
          callback = kwargs.pop('callback', self._callback)
          return callback(config)
docs: Auto Generated Code