| 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. |
| 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'. |
| 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 |
| prependId | no | true | boolean | Flag indicating whether or not this component should prepend its id to its descendent's id during the clientId generation process. If this flag is not set, the default value is false. 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 | Inline style of the container element. |
| styleClass | no | true | java.lang.String | Style class of the container element. |