Replys a text message

        Args:
            text(str): message content

        Returns:
            RTMMessage

def reply(self, text):
        """Replys a text message

        Args:
            text(str): message content

        Returns:
            RTMMessage
        """
        data = {'text': text, 'vchannel_id': self['vchannel_id']}
        if self.is_p2p():
            data['type'] = RTMMessageType.P2PMessage
            data['to_uid'] = self['uid']
        else:
            data['type'] = RTMMessageType.ChannelMessage
            data['channel_id'] = self['channel_id']
        return RTMMessage(data)