# Digitizer Usages for digitizer devices, such as styluses and touch screens. ## Topics ### Getting the Usages [`kHIDUsage_Dig_3DDigitizer`](/documentation/HIDDriverKit/kHIDUsage_Dig_3DDigitizer) [`kHIDUsage_Dig_Altitude`](/documentation/HIDDriverKit/kHIDUsage_Dig_Altitude) [`kHIDUsage_Dig_Armature`](/documentation/HIDDriverKit/kHIDUsage_Dig_Armature) [`kHIDUsage_Dig_ArticulatedArm`](/documentation/HIDDriverKit/kHIDUsage_Dig_ArticulatedArm) [`kHIDUsage_Dig_Azimuth`](/documentation/HIDDriverKit/kHIDUsage_Dig_Azimuth) [`kHIDUsage_Dig_BarrelPressure`](/documentation/HIDDriverKit/kHIDUsage_Dig_BarrelPressure) [`kHIDUsage_Dig_BarrelSwitch`](/documentation/HIDDriverKit/kHIDUsage_Dig_BarrelSwitch) [`kHIDUsage_Dig_BatteryStrength`](/documentation/HIDDriverKit/kHIDUsage_Dig_BatteryStrength) [`kHIDUsage_Dig_CapacitiveHeatMapDigitizer`](/documentation/HIDDriverKit/kHIDUsage_Dig_CapacitiveHeatMapDigitizer) [`kHIDUsage_Dig_CapacitiveHeatMapFrameData`](/documentation/HIDDriverKit/kHIDUsage_Dig_CapacitiveHeatMapFrameData) [`kHIDUsage_Dig_CapacitiveHeatMapProtocolVendorID`](/documentation/HIDDriverKit/kHIDUsage_Dig_CapacitiveHeatMapProtocolVendorID) [`kHIDUsage_Dig_CapacitiveHeatMapProtocolVersion`](/documentation/HIDDriverKit/kHIDUsage_Dig_CapacitiveHeatMapProtocolVersion) [`kHIDUsage_Dig_ContactCount`](/documentation/HIDDriverKit/kHIDUsage_Dig_ContactCount) [`kHIDUsage_Dig_ContactCountMaximum`](/documentation/HIDDriverKit/kHIDUsage_Dig_ContactCountMaximum) [`kHIDUsage_Dig_ContactIdentifier`](/documentation/HIDDriverKit/kHIDUsage_Dig_ContactIdentifier) [`kHIDUsage_Dig_CoordinateMeasuringMachine`](/documentation/HIDDriverKit/kHIDUsage_Dig_CoordinateMeasuringMachine) [`kHIDUsage_Dig_DataValid`](/documentation/HIDDriverKit/kHIDUsage_Dig_DataValid) [`kHIDUsage_Dig_DeviceConfiguration`](/documentation/HIDDriverKit/kHIDUsage_Dig_DeviceConfiguration) [`kHIDUsage_Dig_DeviceIdentifier`](/documentation/HIDDriverKit/kHIDUsage_Dig_DeviceIdentifier) [`kHIDUsage_Dig_DeviceMode`](/documentation/HIDDriverKit/kHIDUsage_Dig_DeviceMode) [`kHIDUsage_Dig_DeviceSettings`](/documentation/HIDDriverKit/kHIDUsage_Dig_DeviceSettings) [`kHIDUsage_Dig_Digitizer`](/documentation/HIDDriverKit/kHIDUsage_Dig_Digitizer) [`kHIDUsage_Dig_Eraser`](/documentation/HIDDriverKit/kHIDUsage_Dig_Eraser) [`kHIDUsage_Dig_Finger`](/documentation/HIDDriverKit/kHIDUsage_Dig_Finger) [`kHIDUsage_Dig_FreeSpaceWand`](/documentation/HIDDriverKit/kHIDUsage_Dig_FreeSpaceWand) [`kHIDUsage_Dig_GestureCharacter`](/documentation/HIDDriverKit/kHIDUsage_Dig_GestureCharacter) [`kHIDUsage_Dig_GestureCharacterData`](/documentation/HIDDriverKit/kHIDUsage_Dig_GestureCharacterData) [`kHIDUsage_Dig_GestureCharacterDataLength`](/documentation/HIDDriverKit/kHIDUsage_Dig_GestureCharacterDataLength) [`kHIDUsage_Dig_GestureCharacterEnable`](/documentation/HIDDriverKit/kHIDUsage_Dig_GestureCharacterEnable) [`kHIDUsage_Dig_GestureCharacterEncoding`](/documentation/HIDDriverKit/kHIDUsage_Dig_GestureCharacterEncoding) [`kHIDUsage_Dig_GestureCharacterEncodingUTF16BE`](/documentation/HIDDriverKit/kHIDUsage_Dig_GestureCharacterEncodingUTF16BE) [`kHIDUsage_Dig_GestureCharacterEncodingUTF16LE`](/documentation/HIDDriverKit/kHIDUsage_Dig_GestureCharacterEncodingUTF16LE) [`kHIDUsage_Dig_GestureCharacterEncodingUTF32BE`](/documentation/HIDDriverKit/kHIDUsage_Dig_GestureCharacterEncodingUTF32BE) [`kHIDUsage_Dig_GestureCharacterEncodingUTF32LE`](/documentation/HIDDriverKit/kHIDUsage_Dig_GestureCharacterEncodingUTF32LE) [`kHIDUsage_Dig_GestureCharacterEncodingUTF8`](/documentation/HIDDriverKit/kHIDUsage_Dig_GestureCharacterEncodingUTF8) [`kHIDUsage_Dig_GestureCharacterQuality`](/documentation/HIDDriverKit/kHIDUsage_Dig_GestureCharacterQuality) [`kHIDUsage_Dig_Height`](/documentation/HIDDriverKit/kHIDUsage_Dig_Height) [`kHIDUsage_Dig_InRange`](/documentation/HIDDriverKit/kHIDUsage_Dig_InRange) [`kHIDUsage_Dig_Invert`](/documentation/HIDDriverKit/kHIDUsage_Dig_Invert) [`kHIDUsage_Dig_LightPen`](/documentation/HIDDriverKit/kHIDUsage_Dig_LightPen) [`kHIDUsage_Dig_MultiplePointDigitizer`](/documentation/HIDDriverKit/kHIDUsage_Dig_MultiplePointDigitizer) [`kHIDUsage_Dig_Pen`](/documentation/HIDDriverKit/kHIDUsage_Dig_Pen) [`kHIDUsage_Dig_ProgramChangeKeys`](/documentation/HIDDriverKit/kHIDUsage_Dig_ProgramChangeKeys) [`kHIDUsage_Dig_Puck`](/documentation/HIDDriverKit/kHIDUsage_Dig_Puck) [`kHIDUsage_Dig_Quality`](/documentation/HIDDriverKit/kHIDUsage_Dig_Quality) [`kHIDUsage_Dig_RelativeScanTime`](/documentation/HIDDriverKit/kHIDUsage_Dig_RelativeScanTime) [`kHIDUsage_Dig_ReportRate`](/documentation/HIDDriverKit/kHIDUsage_Dig_ReportRate) [`kHIDUsage_Dig_Reserved`](/documentation/HIDDriverKit/kHIDUsage_Dig_Reserved) [`kHIDUsage_Dig_SecondaryTipSwitch`](/documentation/HIDDriverKit/kHIDUsage_Dig_SecondaryTipSwitch) [`kHIDUsage_Dig_StereoPlotter`](/documentation/HIDDriverKit/kHIDUsage_Dig_StereoPlotter) [`kHIDUsage_Dig_SurfaceSwitch`](/documentation/HIDDriverKit/kHIDUsage_Dig_SurfaceSwitch) [`kHIDUsage_Dig_Stylus`](/documentation/HIDDriverKit/kHIDUsage_Dig_Stylus) [`kHIDUsage_Dig_TabletFunctionKeys`](/documentation/HIDDriverKit/kHIDUsage_Dig_TabletFunctionKeys) [`kHIDUsage_Dig_TabletPick`](/documentation/HIDDriverKit/kHIDUsage_Dig_TabletPick) [`kHIDUsage_Dig_Tap`](/documentation/HIDDriverKit/kHIDUsage_Dig_Tap) [`kHIDUsage_Dig_TipPressure`](/documentation/HIDDriverKit/kHIDUsage_Dig_TipPressure) [`kHIDUsage_Dig_TipSwitch`](/documentation/HIDDriverKit/kHIDUsage_Dig_TipSwitch) [`kHIDUsage_Dig_Touch`](/documentation/HIDDriverKit/kHIDUsage_Dig_Touch) [`kHIDUsage_Dig_TouchPad`](/documentation/HIDDriverKit/kHIDUsage_Dig_TouchPad) [`kHIDUsage_Dig_TouchScreen`](/documentation/HIDDriverKit/kHIDUsage_Dig_TouchScreen) [`kHIDUsage_Dig_TouchValid`](/documentation/HIDDriverKit/kHIDUsage_Dig_TouchValid) [`kHIDUsage_Dig_TransducerIndex`](/documentation/HIDDriverKit/kHIDUsage_Dig_TransducerIndex) [`kHIDUsage_Dig_Twist`](/documentation/HIDDriverKit/kHIDUsage_Dig_Twist) [`kHIDUsage_Dig_Untouch`](/documentation/HIDDriverKit/kHIDUsage_Dig_Untouch) [`kHIDUsage_Dig_WhiteBoard`](/documentation/HIDDriverKit/kHIDUsage_Dig_WhiteBoard) [`kHIDUsage_Dig_Width`](/documentation/HIDDriverKit/kHIDUsage_Dig_Width) [`kHIDUsage_Dig_XTilt`](/documentation/HIDDriverKit/kHIDUsage_Dig_XTilt) [`kHIDUsage_Dig_YTilt`](/documentation/HIDDriverKit/kHIDUsage_Dig_YTilt) --- Copyright © 2026 Apple Inc. 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