不，您没有丢失任何东西.该API当前不支持它.不过，我们一直在不断地向API中添加内容，因此希望可以添加到该API中.请留意我们的 blog 或在Twitter(@JasonJohMSFT)上关注我，以获得与API相关的公告.

No, you're not missing anything. The API doesn't currently support it. We're constantly adding to the API though, so hopefully that makes it in. Keep an eye on our blog or follow me on Twitter (@JasonJohMSFT) to get announcements related to the APIs.