---
title: kIOAudioClockSelectorTypeExternal
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646424-anonymous/kioaudioclockselectortypeexternal
---

# kIOAudioClockSelectorTypeExternal

## Declaration

```occ
kIOAudioClockSelectorTypeExternal = 'ext '
```