# Page Not Found

The URL `user-guide/4.-programming-a-show/2.-timeline-editor/2.4-add-or-replace-media` does not exist.

You might be looking for one of these pages:
- [Add or Replace Media](https://docs.tachyon.video/user-guide/4.-programming-a-show/timeline-editor/add-or-replace-media.md)
- [Screen and Layer Timeline Properties](https://docs.tachyon.video/user-guide/4.-programming-a-show/timeline-editor/screen-and-layer-timeline-properties.md)
- [Editing on the Timeline](https://docs.tachyon.video/user-guide/4.-programming-a-show/timeline-editor/editing-on-the-timeline.md)
- [Sequences, Screens, Layers and Clips](https://docs.tachyon.video/user-guide/4.-programming-a-show/timeline-editor/sequences-screens-layers-and-clips.md)
- [Inserting Cues on the Timeline](https://docs.tachyon.video/user-guide/4.-programming-a-show/timeline-editor/inserting-cues-on-the-timeline.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/user-guide/4.-programming-a-show/timeline-editor/add-or-replace-media.md`)
- Use `Accept: text/markdown` header for content negotiation