# onHover(perform:) Adds an action to perform when the user moves the pointer over or away from the view’s frame. ``` nonisolated func onHover(perform action: @escaping (Bool) -> Void) -> some View ``` ## Parameters `action` The action to perform whenever the pointer enters or exits this view’s frame. If the pointer is in the view’s frame, the `action` closure passes `true` as a parameter; otherwise, `false`. ## Return Value A view that triggers `action` when the pointer enters or exits this view’s frame. ## Discussion Calling this method defines a region for detecting pointer movement with the size and position of this view. --- 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)