# KeyframeTrackContent A group of keyframes that define an interpolation curve of an animatable value. ``` protocol KeyframeTrackContent ``` ## Topics ### Creating a keyframe [`var body: Self.Body`](/documentation/SwiftUI/KeyframeTrackContent/body-swift.property) The composition of content that comprise the keyframe track. [`associatedtype Body : KeyframeTrackContent`](/documentation/SwiftUI/KeyframeTrackContent/Body-swift.associatedtype) [`associatedtype Value : Animatable = Self.Body.Value`](/documentation/SwiftUI/KeyframeTrackContent/Value) ## Relationships ### Conforming Types [`SpringKeyframe`](/documentation/SwiftUI/SpringKeyframe) [`CubicKeyframe`](/documentation/SwiftUI/CubicKeyframe) [`LinearKeyframe`](/documentation/SwiftUI/LinearKeyframe) [`MoveKeyframe`](/documentation/SwiftUI/MoveKeyframe) [`Conditional`](/documentation/SwiftUI/KeyframeTrackContentBuilder/Conditional) --- 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)