create datafeed

def create_datafeed(self):
        ''' create datafeed '''
        response, status_code = self.__agent__.Datafeed.post_v4_datafeed_create(
            sessionToken=self.__session__,
            keyManagerToken=self.__keymngr__
        ).result()
        # return the token
        self.logger.debug('%s: %s' % (status_code, response))
        return status_code, response['id']