code: def capture_setting(self, sbp_msg, **metadata):
          
          if sbp_msg.msg_type == SBP_MSG_SETTINGS_READ_RESP:
              section, setting, value = sbp_msg.payload.split(b'\0')[:3]
              self.settings.append((section, setting, value))
docs: Callback to extract and store setting values from
          SBP_MSG_SETTINGS_READ_RESP
  
          Messages of any type other than SBP_MSG_SETTINGS_READ_RESP are ignored