<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def send_chat_action(self, action):
 """ Send a chat action, to tell the user that something is happening on the bot's side. Available actions: * `typing` for text messages * `upload_photo` for photos * `record_video` and `upload_video` for videos * `record_audio` and `upload_audio` for audio files * `upload_document` for general files * `find_location` for location data :param str action: Type of action to broadcast """

        return self.bot.api_call("sendChatAction", chat_id=self.id, action=action)