# AnimatableData A functionality specification that animatable data types adopt. ``` protocol AnimatableData ``` ## Overview The templated animation objects, for example [`BlendTreeAnimation`](/documentation/RealityKit/BlendTreeAnimation) ``, determine that the type you specify for `Value` adopts this protocol. The types that the framework accepts are: [`JointTransforms`](/documentation/RealityKit/JointTransforms), [`Transform`](/documentation/RealityKit/Transform), , , , , , and . ## Relationships ### Conforming Types [`BlendShapeWeights`](/documentation/RealityKit/BlendShapeWeights) [`JointTransforms`](/documentation/RealityKit/JointTransforms) [`Transform`](/documentation/RealityKit/Transform) --- 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)