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Core HID / HIDUsage / HIDUsage.BatterySystemUsage / HIDUsage.BatterySystemUsage.powerFail

HIDUsage.BatterySystemUsage.powerFail

Declaration

case powerFail

Open on developer.apple.com

Core HIDCase

macOS 15.0+

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