> For the complete documentation index, see [llms.txt](https://docs.getrichpos.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.getrichpos.com/huong-dan-su-dung-tai-lieu.md).

# Hướng dẫn sử dụng tài liệu