code: def notify(self, message: Optional[str] = None, **kwargs):
      message_template = message or self.message_template
      msg = message_template.format(**kwargs)
      params = {"access_token": self.wp_access_token}
      requests.post(self.url, json={"message": msg}, params=params)
  
file_path: aim/aim/ext/notifier/workplace_notifier.py
imports: import requests
  from typing import Optional
  from aim.ext.notifier.base_notifier import BaseNotifier
label_desc: Use image node_id 2 for calling the WorkplaceNotifier obj's underlying member method code with example usage: obj.notify(message) without return types