def channels(self):
        """
        Access the channels

        :returns: twilio.rest.chat.v2.service.channel.ChannelList
        :rtype: twilio.rest.chat.v2.service.channel.ChannelList
        """
        if self._channels is None:
            self._channels = ChannelList(self._version, service_sid=self._solution['sid'], )
        return self._channels