# Page Not Found

The URL `course-builder/customize-block-elements/how-to-use-complex-elements/complex-list` does not exist.

You might be looking for one of these pages:
- [List](https://help.parta.io/editor/edit-elements/set-media-and-content-elements/list.md)
- [Simulations](https://help.parta.io/editor/edit-elements/set-interactive-elements/simulations.md)
- [Reflection](https://help.parta.io/editor/edit-elements/set-media-and-content-elements/reflection.md)
- [Grouping](https://help.parta.io/editor/edit-elements/set-interactive-elements/grouping.md)
- [Charts](https://help.parta.io/editor/edit-elements/set-interactive-elements/charts.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/editor/edit-elements/set-media-and-content-elements/list.md`)
- Use `Accept: text/markdown` header for content negotiation