# Page Not Found

The URL `getting-to-know-aurelia/components/watching-data` does not exist.

You might be looking for one of these pages:
- [Watching data](https://docs.aurelia.io/getting-to-know-aurelia/state-and-observation/watching-data.md)
- [Portalling elements](https://docs.aurelia.io/getting-to-know-aurelia/composition-patterns/portalling-elements.md)
- [Composition patterns](https://docs.aurelia.io/getting-to-know-aurelia/composition-patterns.md)
- [Components](https://docs.aurelia.io/getting-to-know-aurelia/composition-patterns/components.md)
- [Dynamic composition](https://docs.aurelia.io/getting-to-know-aurelia/composition-patterns/dynamic-composition.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/getting-to-know-aurelia/state-and-observation/watching-data.md`)
- Use `Accept: text/markdown` header for content negotiation