> For the complete documentation index, see [llms.txt](https://docs.cherax.vip/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cherax.vip/lua-documentation/api-reference/natives/system.md).

# SYSTEM

```
void WAIT(int ms)
void WAIT()
void YIELD(int ms)
void YIELD()
```