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Apple Developer Docs

IOKit / OSNotificationHeader / size

size

Declaration

var size: mach_msg_size_t

Open on developer.apple.com

IOKitInstance Property

iOS 18.4+iPadOS 18.4+Mac Catalyst 13.0+macOS 10.10+visionOS 2.4+

Built on 2026-11-01 · Snapshot snapshot-20261101 (macOS 27.0.1) · Commit 864a336 · by @g-cqd · based on Apple Developer Documentation