# Page Not Found

The URL `chapter-4/building-components/{{ button.url }}` does not exist.

You might be looking for one of these pages:
- [Button](https://mariohernandez.gitbook.io/components/chapter-4/building-components/3-button.md)
- [Building Components](https://mariohernandez.gitbook.io/components/chapter-4/building-components.md)
- [Drupal Libraries](https://mariohernandez.gitbook.io/components/chapter-4/building-components/6-drupal-libraries.md)
- [Components Variations](https://mariohernandez.gitbook.io/components/chapter-4/building-components/4-variations.md)
- [Other components](https://mariohernandez.gitbook.io/components/chapter-4/building-components/other-components.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://mariohernandez.gitbook.io/components/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://mariohernandez.gitbook.io/components/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/components/chapter-4/building-components/3-button.md`)
- Use `Accept: text/markdown` header for content negotiation