---
title: registerSleepWakeInterest
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 10.0+]
path: kernel/1579188-registersleepwakeinterest
---

# registerSleepWakeInterest

## Declaration

```occ
IONotifier * registerSleepWakeInterest(IOServiceInterestHandler, void *, void *);
```