# Page Not Found

The URL `projects/import-export/xlsform/feuille-du-sondage/constraint` does not exist.

You might be looking for one of these pages:
- [Contrainte](https://docs.ngsurvey.com/fr/projects/import-export/xlsform/feuille-de-sondage/contrainte.md)
- [Pertinent](https://docs.ngsurvey.com/fr/projects/import-export/xlsform/feuille-de-sondage/pertinent.md)
- [Multilingue](https://docs.ngsurvey.com/fr/projects/import-export/xlsform/feuille-de-sondage/multilingue.md)
- [Types](https://docs.ngsurvey.com/fr/projects/import-export/xlsform/feuille-de-sondage/types.md)
- [Calculs](https://docs.ngsurvey.com/fr/projects/import-export/xlsform/feuille-de-sondage/calculs.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/fr/projects/import-export/xlsform/feuille-de-sondage/contrainte.md`)
- Use `Accept: text/markdown` header for content negotiation