code: def onCallStarted(
          self,
          mid=None,
          caller_id=None,
          is_video_call=None,
          thread_id=None,
          thread_type=None,
          ts=None,
          metadata=None,
          msg=None,
      ):
          
          log.info(
              "{} started call in {} ({})".format(caller_id, thread_id, thread_type.name)
          )
docs: .. todo::
              Make this work with private calls
  
          Called when the client is listening, and somebody starts a call in a group
  
          :param mid: The action ID
          :param caller_id: The ID of the person who started the call
          :param is_video_call: True if it's video call
          :param thread_id: Thread ID that the action was sent to. See :ref:`intro_threads`
          :param thread_type: Type of thread that the action was sent to. See :ref:`intro_threads`
          :param ts: A timestamp of the action
          :param metadata: Extra metadata about the action
          :param msg: A full set of the data recieved
          :type thread_type: models.ThreadType