> For the complete documentation index, see [llms.txt](https://docs.codelessly.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.codelessly.com/advanced-editor-usage.md).

# Advanced Editor Usage

- [Working with Variants](https://docs.codelessly.com/advanced-editor-usage/working-with-variants.md): Learn how to use variants to create dynamic UI that adapts to the state of the app.
- [Using External Components](https://docs.codelessly.com/advanced-editor-usage/using-external-components.md): Learn how to embed your own widget into Codelessly's layout.
- [Size Fits Settings](https://docs.codelessly.com/advanced-editor-usage/size-fits-settings.md): Learn about the advanced options of size fits to lay out the nodes exactly how you desire.