> For the complete documentation index, see [llms.txt](https://docs.masoniteproject.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.masoniteproject.com/v1.4/advanced.md).

# Advanced

- [Middleware](https://docs.masoniteproject.com/v1.4/advanced/middleware.md)
- [Creating Commands](https://docs.masoniteproject.com/v1.4/advanced/creating-commands.md)
- [Creating Packages](https://docs.masoniteproject.com/v1.4/advanced/creating-packages.md)
- [Publishing Packages](https://docs.masoniteproject.com/v1.4/advanced/publishing-packages.md)
- [Validation](https://docs.masoniteproject.com/v1.4/advanced/validation.md)
- [Extending Classes](https://docs.masoniteproject.com/v1.4/advanced/extending-classes.md)
- [Creating a Mail Driver](https://docs.masoniteproject.com/v1.4/advanced/creating-a-mail-driver.md)