# registerObject(ofClass:visibility:loadHandler:) Lazily adds representations of a specified object type to an item provider, based on the object’s implementation of the item provider writing protocol, and adhering to a visibility specification. ``` @preconcurrency func registerObject(ofClass: T.Type, visibility: NSItemProviderRepresentationVisibility, loadHandler: @escaping @Sendable (@Sendable (T?, (any Error)?) -> Void) -> Progress?) where T : _ObjectiveCBridgeable, T._ObjectiveCType : NSItemProviderWriting ``` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)