Creates a new Vision request with an optional completion handler.
- iOS 11.0+
- macOS 10.13+
- Mac Catalyst 13.0+Beta
- tvOS 11.0+
The block to invoke after the request has finished processing.
The completion handler is executed on the same dispatch queue as the request being executed.
Initializing a Request
Creates a new Vision request with no completion handler.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.Learn more about using Apple's beta software