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# tIOUSB30DeviceNotificationType

Constants indicating the type of a device notification.

```
enum tIOUSB30DeviceNotificationType : unsigned int;
```

## Discussion

For information about this type, see Table 8-18 of the USB 3.2 specification at <http://www.usb.org>.

## Topics

### Getting the Notification Types

[`kIOUSB30DeviceNotificationTypeFunctionWake`](/documentation/USBDriverKit/tIOUSB30DeviceNotificationType/kIOUSB30DeviceNotificationTypeFunctionWake)

[`kIOUSB30DeviceNotificationTypeLatencyTolerance`](/documentation/USBDriverKit/tIOUSB30DeviceNotificationType/kIOUSB30DeviceNotificationTypeLatencyTolerance)

[`kIOUSB30DeviceNotificationTypeBusIntervalAdjustment`](/documentation/USBDriverKit/tIOUSB30DeviceNotificationType/kIOUSB30DeviceNotificationTypeBusIntervalAdjustment)

[`kIOUSB30DeviceNotificationTypeHostRoleRequest`](/documentation/USBDriverKit/tIOUSB30DeviceNotificationType/kIOUSB30DeviceNotificationTypeHostRoleRequest)

[`kIOUSB30DeviceNotificationTypeSublinkSpeed`](/documentation/USBDriverKit/tIOUSB30DeviceNotificationType/kIOUSB30DeviceNotificationTypeSublinkSpeed)


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