def fetch_live(self, formatter=TableFormat):
        """
        Fetch a live stream query. This is the equivalent of selecting
        the "Play" option for monitoring fields within the SMC UI. Data will
        be streamed back in real time.
        
        :param formatter: Formatter type for data representation. Any type
            in :py:mod:`smc_monitoring.models.formatters`.
        :return: generator yielding results in specified format
        """
        fmt = formatter(self)
        for results in self.execute():
            if 'records' in results and results['records'].get('added'):
                yield fmt.formatted(results['records']['added'])