code: def log(self, payload):
      if self._sidecar.is_active:
          msg = Message(MessageTypes.BEST_EFFORT, payload)
          self._sidecar.send(msg)
  
file_path: metaflow/metaflow/event_logger.py
imports: from metaflow.sidecar import Message, MessageTypes, Sidecar
label_desc: Use image node_id 5 for calling the NullEventLogger obj's underlying member method code with example usage: obj.log(payload) without return types