# Page Not Found

The URL `building-flows/schemas/external-answers` does not exist.

You might be looking for one of these pages:
- [Externally provided variables](https://docs.formsort.com/response-data-collection-and-management/variable-schema/external-answers.md)
- [Orphaned variables](https://docs.formsort.com/response-data-collection-and-management/variable-schema/orphaned-answers.md)
- [System Library variables](https://docs.formsort.com/response-data-collection-and-management/variable-schema/system-library-answers.md)
- [Calculated variables](https://docs.formsort.com/response-data-collection-and-management/variable-schema/calculated-answers.md)
- [API lookups](https://docs.formsort.com/response-data-collection-and-management/variable-schema/api-answers.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/response-data-collection-and-management/variable-schema/external-answers.md`)
- Use `Accept: text/markdown` header for content negotiation