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Apple Developer Docs

Kernel / Anonymous / kHIDUsage_Tfon_RecallNumber

kHIDUsage_Tfon_RecallNumber

Declaration

kHIDUsage_Tfon_RecallNumber = 0x52

Open on developer.apple.com

KernelEnumeration Case

macOS 10.12+

Built on 2026-11-15 · Snapshot snapshot-20261108 (macOS 27.0.1) · Commit 864a336 · by @g-cqd · based on Apple Developer Documentation