> For the complete documentation index, see [llms.txt](https://docs.dayoffvn.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dayoffvn.com/nang-cao.md).

# Nâng cao

- [Thêm vào lịch](https://docs.dayoffvn.com/nang-cao/them-vao-lich.md)
- [Kết nối với Slack](https://docs.dayoffvn.com/nang-cao/ket-noi-voi-slack.md)
- [Kết nối với Zalo](https://docs.dayoffvn.com/nang-cao/ket-noi-voi-zalo.md)
- [Kết nối với Telegram](https://docs.dayoffvn.com/nang-cao/ket-noi-voi-telegram.md)