> For the complete documentation index, see [llms.txt](https://sixnetwork.gitbook.io/nft-gen-2-tech-doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sixnetwork.gitbook.io/nft-gen-2-tech-doc/integration/system-mode.md).

# System Mode

In this mode, the system fully controls NFT Metadata, whether minting, syncing, or validating the holder.