# SpringKeyframe A keyframe that uses a spring function to interpolate to the given value. ``` struct SpringKeyframe where Value : Animatable ``` ## Topics ### Creating the keyframe [`init(Value, duration: TimeInterval?, spring: Spring, startVelocity: Value?)`](/documentation/SwiftUI/SpringKeyframe/init(_:duration:spring:startVelocity:)) Creates a new keyframe using the given value and timestamp. ## Relationships ### Conforms To [`KeyframeTrackContent`](/documentation/SwiftUI/KeyframeTrackContent) --- 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)