https://api.slack.com/methods/channels.info

def info(self, channel_name):
        """ https://api.slack.com/methods/channels.info
        """
        channel_id = self.get_channel_id(channel_name)
        self.params.update({'channel': channel_id})
        return FromUrl('https://slack.com/api/channels.info', self._requests)(data=self.params).get()