> For the complete documentation index, see [llms.txt](https://wamr.gitbook.io/document/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wamr.gitbook.io/document/wamr-in-practice/features/demo-examples/ref-types.md).

# Reference Types

The related code/working directory of this example resides in directory {WAMR\_DIR}/samples/ref-types