# KeyframesBuilder A builder that combines keyframe content values into a single value. ``` @resultBuilder struct KeyframesBuilder ``` ## Topics ### Building keyframes [`static func buildArray([some KeyframeTrackContent]) -> some KeyframeTrackContent`](/documentation/SwiftUI/KeyframesBuilder/buildArray(_:)) [`static buildBlock()`](/documentation/SwiftUI/KeyframesBuilder/buildBlock()) [`static func buildEither(first: First) -> KeyframeTrackContentBuilder.Conditional`](/documentation/SwiftUI/KeyframesBuilder/buildEither(first:)) [`static func buildEither(second: Second) -> KeyframeTrackContentBuilder.Conditional`](/documentation/SwiftUI/KeyframesBuilder/buildEither(second:)) [`static buildExpression(_:)`](/documentation/SwiftUI/KeyframesBuilder/buildExpression(_:)) Keyframes [`static buildFinalResult(_:)`](/documentation/SwiftUI/KeyframesBuilder/buildFinalResult(_:)) [`static buildPartialBlock(accumulated:next:)`](/documentation/SwiftUI/KeyframesBuilder/buildPartialBlock(accumulated:next:)) [`static buildPartialBlock(first:)`](/documentation/SwiftUI/KeyframesBuilder/buildPartialBlock(first:)) --- 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)