@plugin.command(u'alarm')
def cmd_alarm(cube, ev):
    timeout = int(ev.param[1])
 
    @plugin.scheduled(timeout)
    def alarmer(cube, ev):
        ev.reply(u'Beep!')
        cube.unregister(alarmer)
    cube.register(alarmer)
 
    ev.reply(u'I\'ll notify you after %d second(s).' % timeout)
    return False