# WixToolset.WixStandardBootstrapperApplicationFunctionApi - extend WiX Standard Bootstrapper Application

The `WixToolset.WixStandardBootstrapperApplicationFunctionApi` package contains the SDK for building **BAFunctions** extensions for WixStdBA, the WiX Standard Bootstrapper Application for Burn bootstrapper bundles.

[Web Site][web] | [Documentation][docs] | [Issue Tracker][issues] | [Discussions][discussions]


## Open Source Maintenance Fee

To ensure the long-term sustainability of this project, users of this package who generate revenue must pay an [Open Source Maintenance Fee][osmf]. While the source code is freely available under the terms of the [LICENSE][license], this package and other aspects of the project require [adherence to the Open Source Maintenance Fee EULA][eula].

To pay the Maintenance Fee, [become a Sponsor](https://github.com/sponsors/wixtoolset).


## Getting started

BAFunctions are native-code DLLs (typically written in C++) that let you supplement the behavior of WixStdBA, rather than writing an entirely new BA to tweak existing BA behavior.

The best way to learn is via the samples at: https://github.com/wixtoolset/wix/tree/HEAD/src/ext/Bal/Samples/bafunctions


## Additional resources

* [WiX Website][web]
* [WiX Documentation][docs]
* [WiX Issue Tracker][issues]
* [WiX Discussions][discussions]


[web]: https://www.firegiant.com/wixtoolset/
[docs]: https://docs.firegiant.com/wixtoolset/
[issues]: https://github.com/wixtoolset/issues/issues
[discussions]: https://github.com/orgs/wixtoolset/discussions
[sdk]: https://www.nuget.org/packages/WixToolset.Sdk/
[osmf]: https://opensourcemaintenancefee.org/
[license]: https://github.com/wixtoolset/wix/blob/main/LICENSE.TXT
[eula]: https://github.com/wixtoolset/wix/blob/main/OSMFEULA.txt