# init(target:) Creates a new power alert for the target range. ``` init(target: ClosedRange>) ``` ## Parameters `target` A closed range of measurement values using power units. --- 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)