---
title: kIOTimerEventSourceOptionsDefault
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.13+]
path: kernel/2870311-anonymous/kiotimereventsourceoptionsdefault
---

# kIOTimerEventSourceOptionsDefault

## Declaration

```occ
kIOTimerEventSourceOptionsDefault = kIOTimerEventSourceOptionsPriorityKernelHigh
```