> For the complete documentation index, see [llms.txt](https://docs.coherence.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coherence.io/0.9/schema-reference.md).

# Schema reference

- [Overview](https://docs.coherence.io/0.9/schema-reference/overview.md)
- [Specification](https://docs.coherence.io/0.9/schema-reference/specification.md)
- [Field settings](https://docs.coherence.io/0.9/schema-reference/field-settings.md)
- [Archetypes in schemas](https://docs.coherence.io/0.9/schema-reference/archetypes-and-lod.md)