# Page Not Found

The URL `features/defining-custom-environments` does not exist.

You might be looking for one of these pages:
- [Defining Custom Environments](https://docs.hava.io/discover/searching/examples/defining-custom-environments.md)
- [Listing Environments](https://docs.hava.io/diagram/listing-environments.md)
- [Filtering Environments](https://docs.hava.io/diagram/listing-environments/filtering-environments.md)
- [Environments](https://docs.hava.io/using-hava/environments.md)
- [Favouriting Environments](https://docs.hava.io/diagram/listing-environments/favouriting-environments.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/discover/searching/examples/defining-custom-environments.md`)
- Use `Accept: text/markdown` header for content negotiation