---
title: SetLEDState_Impl
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iohideventservice/3869772-setledstate_impl
---

# SetLEDState_Impl

## Declaration

```occ
kern_return_t SetLEDState_Impl(uint32_t usagePage, uint32_t usage, bool on);
```