The 1-based index of this photo capture relative to other results from the same capture request.
- iOS 11.0+
- macOS 10.15+
- Mac Catalyst 13.0+
expected property of this capture result's
resolved object indicates the total number of images that will be returned for a given capture request. When your delegate's
photo method receives a photo whose
photo value matches the
expected value, you know you've received the last one for the given capture request.