Skip to main content

Apple Developer Docs

IOKit / IOMessage

IOMessage

Declaration

typealias IOMessage = UInt32

Open on developer.apple.com

IOKitType Alias

iOS 16.0+iPadOS 16.0+Mac Catalyst 13.0+macOS 10.0+visionOS 1.0+

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