Accessing front cameras stream of the Vision Pro

Hi,

We are a team of student working on a project featuring the Vision Pro, and we'd simply like to know if a 3rd party app can access the video stream of the front cameras?

From our tests, FaceTime for exemple, is able to screen share the entire stream that the user is seeing. (real world + app windows), but apps as Discord, are only able to share app windows, the real world is fully black.

Is it a privacy security, or is it because 3rd parties app doesn't yet support the stream of the front cameras?

To give some more context, we'd like to screenshot an area of the view (real world), with a pinch and drag gesture, and then access the screenshot to work on it. How would we be able to access the video stream?

Thanks in advance for your help,

MrCubic