# HIDDriverKit Macros ## Topics ### Macros [`#define kHIDAccelParametricCurvesKey`](/documentation/HIDDriverKit/kHIDAccelParametricCurvesKey) [`#define kHIDPointerReportRateKey`](/documentation/HIDDriverKit/kHIDPointerReportRateKey) [`#define kHIDScrollAccelParametricCurvesKey`](/documentation/HIDDriverKit/kHIDScrollAccelParametricCurvesKey) [`#define kIOHIDBatchIntervalKey`](/documentation/HIDDriverKit/kIOHIDBatchIntervalKey) [`#define kIOHIDBuiltInKey`](/documentation/HIDDriverKit/kIOHIDBuiltInKey) [`#define kIOHIDCountryCodeKey`](/documentation/HIDDriverKit/kIOHIDCountryCodeKey) [`#define kIOHIDDeviceAccessEntitlementKey`](/documentation/HIDDriverKit/kIOHIDDeviceAccessEntitlementKey) [`#define kIOHIDDeviceDefaultAsyncRequestTimeout`](/documentation/HIDDriverKit/kIOHIDDeviceDefaultAsyncRequestTimeout) [`#define kIOHIDDeviceMaxAsyncRequestTimeout`](/documentation/HIDDriverKit/kIOHIDDeviceMaxAsyncRequestTimeout) [`#define kIOHIDDeviceMinAsyncRequestTimeout`](/documentation/HIDDriverKit/kIOHIDDeviceMinAsyncRequestTimeout) [`#define kIOHIDDeviceUsageKey`](/documentation/HIDDriverKit/kIOHIDDeviceUsageKey) [`#define kIOHIDDeviceUsagePageKey`](/documentation/HIDDriverKit/kIOHIDDeviceUsagePageKey) [`#define kIOHIDDeviceUsagePairsKey`](/documentation/HIDDriverKit/kIOHIDDeviceUsagePairsKey) [`#define kIOHIDDigitizerTipThresholdKey`](/documentation/HIDDriverKit/kIOHIDDigitizerTipThresholdKey) [`#define kIOHIDDropAccelPropertyEventsKey`](/documentation/HIDDriverKit/kIOHIDDropAccelPropertyEventsKey) [`#define kIOHIDEventDriverHandlesReport`](/documentation/HIDDriverKit/kIOHIDEventDriverHandlesReport) [`#define kIOHIDHeightKey`](/documentation/HIDDriverKit/kIOHIDHeightKey) [`#define kIOHIDLocationIDKey`](/documentation/HIDDriverKit/kIOHIDLocationIDKey) [`#define kIOHIDManufacturerKey`](/documentation/HIDDriverKit/kIOHIDManufacturerKey) [`#define kIOHIDMaxFeatureReportSizeKey`](/documentation/HIDDriverKit/kIOHIDMaxFeatureReportSizeKey) [`#define kIOHIDMaxInputReportSizeKey`](/documentation/HIDDriverKit/kIOHIDMaxInputReportSizeKey) [`#define kIOHIDMaxOutputReportSizeKey`](/documentation/HIDDriverKit/kIOHIDMaxOutputReportSizeKey) [`#define kIOHIDMouseAccelerationTypeKey`](/documentation/HIDDriverKit/kIOHIDMouseAccelerationTypeKey) [`#define kIOHIDMouseScrollAccelerationKey`](/documentation/HIDDriverKit/kIOHIDMouseScrollAccelerationKey) [`#define kIOHIDPhysicalDeviceUniqueIDKey`](/documentation/HIDDriverKit/kIOHIDPhysicalDeviceUniqueIDKey) [`#define kIOHIDPointerAccelerationKey`](/documentation/HIDDriverKit/kIOHIDPointerAccelerationKey) [`#define kIOHIDPointerAccelerationMultiplierKey`](/documentation/HIDDriverKit/kIOHIDPointerAccelerationMultiplierKey) [`#define kIOHIDPointerAccelerationSupportKey`](/documentation/HIDDriverKit/kIOHIDPointerAccelerationSupportKey) [`#define kIOHIDPointerAccelerationTypeKey`](/documentation/HIDDriverKit/kIOHIDPointerAccelerationTypeKey) [`#define kIOHIDPrimaryUsageKey`](/documentation/HIDDriverKit/kIOHIDPrimaryUsageKey) [`#define kIOHIDPrimaryUsagePageKey`](/documentation/HIDDriverKit/kIOHIDPrimaryUsagePageKey) [`#define kIOHIDProductIDKey`](/documentation/HIDDriverKit/kIOHIDProductIDKey) [`#define kIOHIDProductKey`](/documentation/HIDDriverKit/kIOHIDProductKey) [`#define kIOHIDReportDescriptorKey`](/documentation/HIDDriverKit/kIOHIDReportDescriptorKey) [`#define kIOHIDReportIntervalKey`](/documentation/HIDDriverKit/kIOHIDReportIntervalKey) [`#define kIOHIDRequestTimeoutKey`](/documentation/HIDDriverKit/kIOHIDRequestTimeoutKey) [`#define kIOHIDScrollAccelerationKey`](/documentation/HIDDriverKit/kIOHIDScrollAccelerationKey) [`#define kIOHIDScrollAccelerationSupportKey`](/documentation/HIDDriverKit/kIOHIDScrollAccelerationSupportKey) [`#define kIOHIDScrollAccelerationTypeKey`](/documentation/HIDDriverKit/kIOHIDScrollAccelerationTypeKey) [`#define kIOHIDScrollReportRateKey`](/documentation/HIDDriverKit/kIOHIDScrollReportRateKey) [`#define kIOHIDScrollResolutionKey`](/documentation/HIDDriverKit/kIOHIDScrollResolutionKey) [`#define kIOHIDScrollResolutionXKey`](/documentation/HIDDriverKit/kIOHIDScrollResolutionXKey) [`#define kIOHIDScrollResolutionYKey`](/documentation/HIDDriverKit/kIOHIDScrollResolutionYKey) [`#define kIOHIDScrollResolutionZKey`](/documentation/HIDDriverKit/kIOHIDScrollResolutionZKey) [`#define kIOHIDSerialNumberKey`](/documentation/HIDDriverKit/kIOHIDSerialNumberKey) [`#define kIOHIDServiceAccelerationProperties`](/documentation/HIDDriverKit/kIOHIDServiceAccelerationProperties) [`#define kIOHIDSurfaceDimensionsKey`](/documentation/HIDDriverKit/kIOHIDSurfaceDimensionsKey) [`#define kIOHIDTrackpadAccelerationType`](/documentation/HIDDriverKit/kIOHIDTrackpadAccelerationType) [`#define kIOHIDTrackpadScrollAccelerationKey`](/documentation/HIDDriverKit/kIOHIDTrackpadScrollAccelerationKey) [`#define kIOHIDTransportKey`](/documentation/HIDDriverKit/kIOHIDTransportKey) [`#define kIOHIDUseLinearScalingMouseAccelerationKey`](/documentation/HIDDriverKit/kIOHIDUseLinearScalingMouseAccelerationKey) [`#define kIOHIDVendorIDKey`](/documentation/HIDDriverKit/kIOHIDVendorIDKey) [`#define kIOHIDVersionNumberKey`](/documentation/HIDDriverKit/kIOHIDVersionNumberKey) [`#define kIOHIDWidthKey`](/documentation/HIDDriverKit/kIOHIDWidthKey) --- Copyright © 2026 Apple Inc. 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