code: def policy_map_clss_span_session(self, **kwargs):
          
          config = ET.Element("config")
          policy_map = ET.SubElement(config, "policy-map", xmlns="urn:brocade.com:mgmt:brocade-policer")
          po_name_key = ET.SubElement(policy_map, "po-name")
          po_name_key.text = kwargs.pop('po_name')
          clss = ET.SubElement(policy_map, "class")
          cl_name_key = ET.SubElement(clss, "cl-name")
          cl_name_key.text = kwargs.pop('cl_name')
          span = ET.SubElement(clss, "span")
          session = ET.SubElement(span, "session")
          session.text = kwargs.pop('session')
  
          callback = kwargs.pop('callback', self._callback)
          return callback(config)
docs: Auto Generated Code