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Apple Developer Docs

Foundation / NotificationCenter / NotificationCenter.MessageIdentifier / MessageType

MessageType

Declaration

associatedtype MessageType

Open on developer.apple.com

FoundationAssociated Type

iOS 26.0+iPadOS 26.0+Mac Catalyst 26.0+macOS 26.0+tvOS 26.0+visionOS 26.0+watchOS 26.0+

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