def runner_async(self, fun, **kwargs):
        '''
        Run `runner modules <all-salt.runners>` asynchronously

        Wraps :py:meth:`salt.runner.RunnerClient.cmd_async`.

        Note that runner functions must be called using keyword arguments.
        Positional arguments are not supported.

        :return: event data and a job ID for the executed function.
        '''
        kwargs['fun'] = fun
        runner = salt.runner.RunnerClient(self.opts)
        return runner.cmd_async(kwargs)