> For the complete documentation index, see [llms.txt](https://moleculer-api.gitbook.io/api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://moleculer-api.gitbook.io/api/quick-start/quick-examples/graphql/graphql-type-extension-and-reference.md).

# GraphQL type extension and reference