A false value for the ok variable triggers the script to output a VXML fragment that redirects the user to the addentry.vxml file that will ask the user to re-specify their appointment information.

ok变量的值为false将触发脚本输出一个vxml代码段，用于将用户重定向到addentry . vxml文件，该文件将要求用户重新指定其约会信息。