---
title: bPreferredAlternateMode
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 12.0+]
path: kernel/standardusb_billboardcapabilitydescriptor/3794040-bpreferredalternatemode
---

# bPreferredAlternateMode

## Declaration

```occ
uint8_t bPreferredAlternateMode;
```