> For the complete documentation index, see [llms.txt](https://docs.cortexcms.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cortexcms.org/basics/building-content-types.md).

# Building Content Types

> **Note**: We've temporarily removed these very old instructions, as they need to be updated with clearer language, recent changes, and more detail.