# group parameter (skin)

Source: https://ref.dm-lang.org/skin/param/group

### Applies to
- [Button](https://ref.dm-lang.org/skin/control/button.md)
- [Menu](https://ref.dm-lang.org/skin/control/menu.md)


### Format
> `string`

Used for "radio" buttons and menu items, where only one of them in the same group may be checked at a time. This value is a text string, or may be left empty.

Buttons in different windows/panes, or menu items in another menu/submenu, are always treated as a different group.

### See also
- [button-type parameter](https://ref.dm-lang.org/skin/param/button-type.md)
- [can-check parameter](https://ref.dm-lang.org/skin/param/can-check.md)
- [is-checked parameter](https://ref.dm-lang.org/skin/param/is-checked.md)