| Attributes |
| Name | Required | Request-time | Type | Description |
| binding | no | true | javax.el.ValueExpression | Using an EL expression, bind the component reference to a bean property, so that the component may be accessed in the bean. |
| header | no | true | java.lang.String | Header text for the button group. |
| id | no | true | java.lang.String | The component identifier for this component. This value must be unique within the closest parent component that is a naming container. |
| mutuallyExclusive | no | true | boolean | If true, only one checkboxButton or radiobutton in the group can be selected at one time, selecting a new check or radio button deselects the previously selected one. Default = 'false'. |
| rendered | no | true | boolean | Return true if this component (and its children) should be rendered during the Render Response phase of the request processing lifecycle. Default = 'true'. |
| style | no | true | java.lang.String | Style of the container element. |
| styleClass | no | true | java.lang.String | Style class of the container element. |