# init(target:metric:) Creates a new speed alert for the provided range of values. ``` init(target: ClosedRange>, metric: WorkoutAlertMetric) ``` ## Parameters `target` A range of speed measurements. `metric` The metric used to measure the speed. --- 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)