# predicateForObjects(from:) Returns a predicate that matches all the objects that were created by any of the provided source revisions. ``` class func predicateForObjects(from sourceRevisions: Set) -> NSPredicate ``` ## Parameters `sourceRevisions` A set of source revisions that have saved data to the HealthKit store. ## Return Value A predicate that matches all the objects created by any of the provided source revisions. ## Discussion The following sample uses both the convenience method and a predicate format string to create equivalent predicates. ```swift let fromSourceRevisions = HKQuery.predicateForObjectsFromSourceRevisions(sourceRevisions) let explicitFromSourceRevisions = NSPredicate(format: "%K IN %@", HKPredicateKeyPathSourceRevision, sourceRevisions) ``` --- 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)