I've built a mobile app that includes use of the mobile device camera.
Everything is working however the camera is in 'selfie-mode', how do I switch (better yet have the Power App default) to the other camera?

I've built a mobile app that includes use of the mobile device camera.
Everything is working however the camera is in 'selfie-mode', how do I switch (better yet have the Power App default) to the other camera?