> For the complete documentation index, see [llms.txt](https://draekien-industries.wpei.me/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://draekien-industries.wpei.me/waystone.monads.fluentvalidation/using-the-library.md).

# Using The Library

- [Configuration](https://draekien-industries.wpei.me/waystone.monads.fluentvalidation/using-the-library/configuration.md): Configure the error code and fallback message used when a validation failure becomes an Error.
- [Validating Values](https://draekien-industries.wpei.me/waystone.monads.fluentvalidation/using-the-library/validating-values.md)
- [ValidationErr](https://draekien-industries.wpei.me/waystone.monads.fluentvalidation/using-the-library/validationerr.md)