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# newDeviceDescription

Creates and returns a new dictionary that describes the HID device.

```
virtual OSDictionary * newDeviceDescription();
```

## Return Value

An `OSDictionary` that describes the device.

## Discussion

This method uses the information from the USB device to create and return the dictionary of attributes. The dictionary always includes the following keys:

- <doc://com.apple.documentation/documentation/iokit/kiohidreportintervalkey>
- <doc://com.apple.documentation/documentation/iokit/kiohidvendoridkey>
- <doc://com.apple.documentation/documentation/iokit/kiohidproductidkey>
- <doc://com.apple.documentation/documentation/iokit/kiohidtransportkey>
- <doc://com.apple.documentation/documentation/iokit/kiohidversionnumberkey>
- <doc://com.apple.documentation/documentation/iokit/kiohidcountrycodekey>
- `kIOHIDRequestTimeoutKey`

The dictionary may also contain some or all of the following keys:

- <doc://com.apple.documentation/documentation/iokit/kiohidlocationidkey>
- <doc://com.apple.documentation/documentation/iokit/kiohidmanufacturerkey>
- <doc://com.apple.documentation/documentation/iokit/kiohidproductkey>
- <doc://com.apple.documentation/documentation/iokit/kiohidserialnumberkey>

---

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