# argmin() Returns the index of the element with the lowest value. iOS, iPadOS, Mac Catalyst, macOS, tvOS, visionOS, watchOS: ``` func argmin() -> Base.Index? ``` Mac Catalyst: ``` func argmin() -> FilledColumn.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)