# Page Not Found

The URL `user-reference/preferences` does not exist.

You might be looking for one of these pages:
- [Other features](https://help.codegrade.com/setup-assignment/other-features.md)
- [Advanced Features](https://help.codegrade.com/for-students/advanced-features.md)
- [IP Restriction](https://help.codegrade.com/setup-assignment/other-features/ip-restriction.md)
- [Grade your assignment](https://help.codegrade.com/setup-assignment/grade-your-assignment.md)
- [Jupyter Notebook](https://help.codegrade.com/automatic-grading-guides/jupyter-notebook.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/setup-assignment/other-features.md`)
- Use `Accept: text/markdown` header for content negotiation