<!--
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    "DriverKit: 19.0 -"
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  "identifier" : "/documentation/USBDriverKit/UASPipeDescriptor",
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  "title" : "UASPipeDescriptor"
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# UASPipeDescriptor

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

```
struct UASPipeDescriptor;
```

## Topics

### Accessing the Descriptor Properties

[`bLength`](/documentation/USBDriverKit/UASPipeDescriptor/bLength)

[`bDescriptorType`](/documentation/USBDriverKit/UASPipeDescriptor/bDescriptorType)

[`bPipeID`](/documentation/USBDriverKit/UASPipeDescriptor/bPipeID)

[`bReserved`](/documentation/USBDriverKit/UASPipeDescriptor/bReserved)



---

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