---
title: StateNotificationBegin
framework: Kernel
role: symbol
role_heading: Instance Method
platforms: [macOS 12.0+]
path: kernel/ioservicestatenotificationdispatchsource/3753360-statenotificationbegin
---

# StateNotificationBegin

## Declaration

```occ
kern_return_t StateNotificationBegin(OSDispatchMethod supermethod);
```