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# IOUSBHostDevicePropertyKey

Properties of a USB device that describe its state.

```
struct IOUSBHostDevicePropertyKey
```

## Topics

### Properties

[`currentConfiguration`](/documentation/IOUSBHost/IOUSBHostDevicePropertyKey/currentConfiguration)

The device’s current configuration value.

[`containerID`](/documentation/IOUSBHost/IOUSBHostDevicePropertyKey/containerID)

The device’s container ID.

[`serialNumberString`](/documentation/IOUSBHost/IOUSBHostDevicePropertyKey/serialNumberString)

The device’s serial number as a string.

[`vendorString`](/documentation/IOUSBHost/IOUSBHostDevicePropertyKey/vendorString)

The device’s vendor name.

[`IOUSBHostPropertyKey`](/documentation/IOUSBHost/IOUSBHostPropertyKey)

Properties that the USB host device and interface classes share.

### Initializing the Properties

[`init(rawValue:)`](/documentation/IOUSBHost/IOUSBHostDevicePropertyKey/init(rawValue:))

Creates the structure.


---

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