# onChange(of:initial:_:) ``` nonisolated func onChange(of value: V, initial: Bool = false, _ action: @escaping () -> Void) -> some CompositorContent where V : Equatable ``` --- 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)