---
title: deviceDescriptorData
framework: accessoryaccess
role: symbol
role_heading: Instance Property
path: accessoryaccess/aausbaccessory/devicedescriptordata
---

# deviceDescriptorData

Returns the device descriptor data.

## Declaration

```swift
var deviceDescriptorData: Data { get }
```

## Discussion

Discussion The underlying bytes can be cast to IOUSBDeviceDescriptor.

## See Also

### Getting information about a USB accessory

- [configurationDescriptorData](accessoryaccess/aausbaccessory/configurationdescriptordata.md)
- [registryID](accessoryaccess/aausbaccessory/registryid.md)