code: def display_message(
          self, subject='Find My iPhone Alert', message="This is a note",
          sounds=False
      ):
          
          data = json.dumps(
              {
                  'device': self.content['id'],
                  'subject': subject,
                  'sound': sounds,
                  'userText': True,
                  'text': message
              }
          )
          self.session.post(
              self.message_url,
              params=self.params,
              data=data
          )
docs: Send a request to the device to play a sound.
  
          It's possible to pass a custom message by changing the `subject`.