> For the complete documentation index, see [llms.txt](https://docs.inputflow.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inputflow.com/engagement-boosters/radio-button-and-checkbox-active-state.md).

# Radio button & checkbox active state

Activate this setting to automatically add a combo class to all active radio buttons and checkbox fields.

Watch the following video to learn how:

{% embed url="<https://youtu.be/LmhGRZjydq4>" %}