---
title: UASPipeDescriptor
framework: usbdriverkit
role: symbol
role_heading: Structure
path: usbdriverkit/uaspipedescriptor
---

# UASPipeDescriptor

A structure that defines the Mass Storage Specific UAS pipe usage descriptor.

## Declaration

```occ
struct UASPipeDescriptor;
```

## Topics

### Accessing the Descriptor Properties

- [bLength](usbdriverkit/uaspipedescriptor/blength.md)
- [bDescriptorType](usbdriverkit/uaspipedescriptor/bdescriptortype.md)
- [bPipeID](usbdriverkit/uaspipedescriptor/bpipeid.md)
- [bReserved](usbdriverkit/uaspipedescriptor/breserved.md)

## See Also

### USB Descriptors

- [IOUSB20HubDescriptor](usbdriverkit/iousb20hubdescriptor.md)
- [IOUSBSuperSpeedHubDescriptor](usbdriverkit/iousbsuperspeedhubdescriptor.md)
- [SuperSpeed Hub Characteristics](usbdriverkit/superspeed_hub_characteristics-enum.md)