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  "title" : "IOUSBGetBillboardDescriptor"
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# IOUSBGetBillboardDescriptor

Finds the first billboard capability descriptor in a BOS descriptor.

```
const IOUSBDeviceCapabilityBillboard *IOUSBGetBillboardDescriptor(const IOUSBBOSDescriptor *bosDescriptor);
```

## Parameters

`bosDescriptor`

The BOS descriptor that contains the descriptors to iterate through.

## Return Value

The descriptor pointer, or `NULL` if no matching descriptor can be found.

## Discussion

This method uses `getNextCapabilityDescriptorWithType` to fetch the first `BillboardCapabilityDescriptor.`

---

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