> For the complete documentation index, see [llms.txt](https://help.clickbot.vn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.clickbot.vn/khach-hang-ben-ngoai/chuoi-sms-email.md).

# Chuỗi SMS/Email