> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Submission Validator (SubVal) quality checks reference

> Reference for Submission Validator, the GDK component that runs quality checks on title packages before submission, including messages and check catalogs.

Explore subval topics for XBOX game development.

<CardGroup cols={2}>
  <Card title="Submission validator messages" icon="box" href="/build/core-features/common/packaging/subval/submissionvalidator-messages">
    This article provides advisory, failure, and warning message-type output from Submission Validator (SubmissionValidator.dll) when it…
  </Card>

  <Card title="Submission validator quality checks" icon="paper-plane" href="/build/core-features/common/packaging/subval/submissionvalidator-tests">
    The types of problems that Submission Validator identifies grow and evolve over time.
  </Card>

  <Card title="Submission validator (submissionvalidato" icon="box" href="/build/core-features/common/packaging/subval/submissionvalidator">
    Submission Validator is a component of the Microsoft Game Development Kit (GDK) that runs a series of basic quality checks on a title or…
  </Card>
</CardGroup>

## See also

* [Deployment](/build/core-features/common/packaging/deployment/index)


## Related topics

- [Glossary](/publishing/game-publishing/glossary.md)
- [Submission Validator quality checks](/build/core-features/common/packaging/subval/submissionvalidator-tests.md)
- [Submission Validator (SubmissionValidator.dll)](/build/core-features/common/packaging/subval/submissionvalidator.md)
- [Submission Validator messages](/build/core-features/common/packaging/subval/submissionvalidator-messages.md)
- [XR-003 Title Quality for Submission](/publishing/certification/xr/xr-003.md)