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Apple Developer Docs

Core Data / NSManagedObjectContext / NSManagedObjectContext.DidSaveObjectIDsMessage / queryGeneration

queryGeneration

Query generation token after the save.

Declaration

let queryGeneration: NSQueryGenerationToken?

Open on developer.apple.com

Core DataInstance Property

iOS 27.0+iPadOS 27.0+macOS 27.0+tvOS 27.0+visionOS 27.0+watchOS 27.0+

Built on 2026-06-12 · Snapshot snapshot-20260612-beta.1 (macOS 27.0) · Commit fba13e1 · by @g-cqd · based on Apple Developer Documentation