# phpman > perldoc > CPAN::Kwalify

## NAME
    [CPAN::Kwalify](https://www.chedong.com/phpMan.php/perldoc/CPAN%3A%3AKwalify/markdown) - Interface between CPAN.pm and Kwalify.pm

## SYNOPSIS
      use [CPAN::Kwalify](https://www.chedong.com/phpMan.php/perldoc/CPAN%3A%3AKwalify/markdown);
      validate($schema_name, $data, $file, $doc);

## DESCRIPTION
    _validate($schema_name, $data, $file, $doc)
        $schema_name is the name of a supported schema. Currently only "distroprefs" is supported.
        $data is the data to be validated. $file is the absolute path to the file the data are
        coming from. $doc is the index of the document within $doc that is to be validated. The last
        two arguments are only there for better error reporting.

        Relies on being called from within CPAN.pm.

        Dies if something fails. Does not return anything useful.

### yaml
        Returns the YAML text of that schema. Dies if something fails.

## AUTHOR
    Andreas Koenig "<<andk@cpan.org>>"

## LICENSE
    This program is free software; you can redistribute it and/or modify it under the same terms as
    Perl itself.

    See <<http://www.perl.com/perl/misc/Artistic.html>>