# init(_:transaction:sectionBy:) Creates a sectioned query from a fetch descriptor, grouped by a required optional-String key path. ``` @MainActor @preconcurrency init(_ descriptor: FetchDescriptor, transaction: Transaction? = nil, sectionBy sectionKeyPath: KeyPath) where Result == SectionedResults ``` --- 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)