# extractLabels(from:) Extracts all the labels from a list of annotations. ``` static func extractLabels(from annotations: [ObjectDetectionAnnotation]) -> Set ``` ## Parameters `annotations` A list of annotations. ## Return Value A set of all the labels present in the annotations. --- 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)