> For the complete documentation index, see [llms.txt](https://nestable-studio.gitbook.io/test/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nestable-studio.gitbook.io/test/theme-settings/extend.md).

# Extend

Show scroll to top: Controls whether to display the “Scroll to Top” button. When enabled (slider swiped right), the button appears as users scroll, allowing them to quickly return to the top of the page.