Skip to main content

Apple Developer Docs

Fonts Symbols

Foundation / NSCoder / decodeTopLevelObject(forKey:)

decodeTopLevelObject(forKey:)

Declaration

@nonobjc func decodeTopLevelObject(forKey key: String) throws -> AnyObject?

Open on developer.apple.com

FoundationInstance Method

iOS 9.0+iPadOS 9.0+Mac Catalyst 9.0+macOS 10.11+tvOS 9.0+visionOS 1.0+watchOS 2.0+

Built on 2026-05-07