# Page Not Found

The URL `reference/global-data-model/object-classes` does not exist.

You might be looking for one of these pages:
- [Object classes](https://docs.appfarm.io/reference/data-model/object-classes.md)
- [Object class properties](https://docs.appfarm.io/reference/data-model/object-class-properties.md)
- [Enumerated types](https://docs.appfarm.io/reference/data-model/enumerated-types.md)
- [Objects](https://docs.appfarm.io/reference/platform-concepts/objects.md)
- [Data Extract API](https://docs.appfarm.io/reference/data-model/data-extract-api.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.appfarm.io/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.appfarm.io/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/reference/data-model/object-classes.md`)
- Use `Accept: text/markdown` header for content negotiation