# Page Not Found

The URL `developer-zone/yaymail-email-hooks/adding-custom-hook` does not exist.

You might be looking for one of these pages:
- [Adding Custom Hook](https://docs.yaycommerce.com/yaymail/developer-zone/email-hooks/adding-custom-hook.md)
- [Using a Hook in YayMail](https://docs.yaycommerce.com/yaymail/developer-zone/email-hooks/using-a-hook-in-yaymail.md)
- [Email Hooks](https://docs.yaycommerce.com/yaymail/developer-zone/email-hooks.md)
- [Register Shortcodes](https://docs.yaycommerce.com/yaymail/developer-zone/api/register-shortcodes.md)
- [Register Elements](https://docs.yaycommerce.com/yaymail/developer-zone/api/register-elements.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.yaycommerce.com/yaymail/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.yaycommerce.com/yaymail/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/yaymail/developer-zone/email-hooks/adding-custom-hook.md`)
- Use `Accept: text/markdown` header for content negotiation