# preference(key:value:) Sets a value for the given preference. ``` nonisolated func preference(key: K.Type = K.self, value: K.Value) -> some View where K : PreferenceKey ``` --- 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)