def cmd_sync(self, low, timeout=None, full_return=False):
        '''
        Execute a runner function synchronously; eauth is respected

        This function requires that :conf_master:`external_auth` is configured
        and the user is authorized to execute runner functions: (``@runner``).

        .. code-block:: python

            runner.eauth_sync({
                'fun': 'jobs.list_jobs',
                'username': 'saltdev',
                'password': 'saltdev',
                'eauth': 'pam',
            })
        '''
        event = salt.utils.event.get_master_event(self.opts, self.opts['sock_dir'], listen=True)
        job = self.master_call(**low)
        ret_tag = salt.utils.event.tagify('ret', base=job['tag'])

        if timeout is None:
            timeout = self.opts.get('rest_timeout', 300)
        ret = event.get_event(tag=ret_tag, full=True, wait=timeout, auto_reconnect=True)
        if ret is None:
            raise salt.exceptions.SaltClientTimeout(
                "RunnerClient job '{0}' timed out".format(job['jid']),
                jid=job['jid'])

        return ret if full_return else ret['data']['return']
Execute a runner function synchronously; eauth is respected

        This function requires that :conf_master:`external_auth` is configured
        and the user is authorized to execute runner functions: (``@runner``).

        .. code-block:: python

            runner.eauth_sync({
                'fun': 'jobs.list_jobs',
                'username': 'saltdev',
                'password': 'saltdev',
                'eauth': 'pam',
            })