# buildExpression(_:) ``` @backDeployed(before: macOS 15.0, iOS 18.0, watchOS 11.0, tvOS 18.0, visionOS 2.0) static func buildExpression(_ expression: ResolverType) -> ResolverType where Property == ResolverType.Output, ResolverType : Resolver ``` --- 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)