| Attributes |
| Name | Required | Request-time | Type | Description |
| activeIndex | no | true | int | Index of the active pane. Default = '0'. |
| autoHeight | no | true | boolean | When enabled, pane with highest content is used to calculate the height. Default = 'true'. |
| 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. |
| cache | no | true | boolean | Deprecated. Defines if activating a dynamic pane should load the contents from server again. (This attribute is now deprecated. Every pane change will produce a request, and the contents of the panes will be updated if they differ from previous content.) Default = 'true'. |
| collapsible | no | true | boolean | Defines if accordion can be collapsed all together. Default = 'false'. |
| disabled | no | true | boolean | Disables or enables the accordion. Default = 'false'. |
| dynamic | no | true | boolean | Deprecated. Defines the toggle mode. (This attribute is now deprecated. Every pane change will produce a request, and the contents of the panes will be updated if they differ from previous content.) Default = 'false'. |
| effect | no | true | java.lang.String | Effect to use when toggling the panes. Default = 'slide'. |
| event | no | true | java.lang.String | Client side event to toggle the panes. |
| fillSpace | no | true | boolean | When enabled, accordion fills the height of its parent container. Default = 'false'. |
| 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. |
| paneChangeListener | no | true | javax.el.MethodExpression | Server side listener to invoke when active pane changes |
| 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 | Inline style of the container element. |
| styleClass | no | true | java.lang.String | Style class of the container element. |
| widgetVar | no | true | java.lang.String | Name of the widget to access client side api |