# delegate A delegate to be called during the animation loop. ``` weak var delegate: (any SKSceneDelegate)? { get set } ``` ## Discussion When a delegate is present, when any of the animation loop methods steps are executed, your delegate is called. Typically, you use a delegate when you do not want to implement a scene subclass or if you want to dynamically change the scene behavior at runtime. --- 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)