# Page Not Found

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

You might be looking for one of these pages:
- [Constraint](https://docs.ngsurvey.com/fr/projects/import-export/xlsform/feuille-du-sondage/constraint.md)
- [Relevant](https://docs.ngsurvey.com/fr/projects/import-export/xlsform/feuille-du-sondage/relevant.md)
- [Apparences](https://docs.ngsurvey.com/fr/projects/import-export/xlsform/feuille-du-sondage/apparences.md)
- [Multi-langues](https://docs.ngsurvey.com/fr/projects/import-export/xlsform/feuille-du-sondage/multi-langues.md)
- [Types](https://docs.ngsurvey.com/fr/projects/import-export/xlsform/feuille-du-sondage/types.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-du-sondage/constraint.md`)
- Use `Accept: text/markdown` header for content negotiation