> For the complete documentation index, see [llms.txt](https://incheol-jung.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://incheol-jung.gitbook.io/docs/study/srping-in-action-5th/chap-8.md).

# CHAP 8 비동기 메시지 전송하기