# BindableValuesReference A reference to a bindable value of an animation. ``` struct BindableValuesReference ``` ## Overview As the name indicates, this structure doesn’t exhibit copy-on-write behavior because it’s a reference. This is in contrast to the [`BindableValue`](/documentation/RealityKit/BindableValue) structure. ## Topics ### Accessing values [`subscript(BindTarget, T.Type) -> BindableValue?`](/documentation/RealityKit/BindableValuesReference/subscript(_:_:)) Returns the bindable value at the subscripted index. --- 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)