> For the complete documentation index, see [llms.txt](https://help.arito.vn/he-thong/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.arito.vn/he-thong/cau-hinh-he-thong/khai-bao-theo-doi-nhat-ky-chung-tu.md).

# Khai báo theo dõi nhật ký chứng từ