> For the complete documentation index, see [llms.txt](https://guide.woay.vn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.woay.vn/version-2.0/version-2.0/dau-noi-and-tuy-chinh-nang-cao/cnv.md).

# CNV

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