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# IOUSBDeviceCapabilityBillboardAltConfigCompatibility

The structure for the billboard alternative configuration compatibility device capability.

```
struct IOUSBDeviceCapabilityBillboardAltConfigCompatibility;
```

## Overview

See USB Billboard 3.1.6.2: Billboard Capability Descriptor V1.2.

## Topics

### Accessing the Descriptor Properties

[`uint16_t wSVID;`](/documentation/USBDriverKit/IOUSBDeviceCapabilityBillboardAltConfigCompatibility/wSVID)

[`uint32_t dwAlternateMode;`](/documentation/USBDriverKit/IOUSBDeviceCapabilityBillboardAltConfigCompatibility/dwAlternateMode)

[`uint8_t iAlternateModeString;`](/documentation/USBDriverKit/IOUSBDeviceCapabilityBillboardAltConfigCompatibility/iAlternateModeString)


---

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