| Attributes |
| Name | Required | Request-time | Type | Description |
| id | false | 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. |
| binding | false | true | java.lang.String | The value binding expression linking this component to a property in a backing bean. |
| rendered | false | true | java.lang.String | Flag indicating whether or not this component should be rendered (during Render Response Phase), or processed on any subsequent form submit. |
| update | false | true | java.lang.String | Is update required. |
| frequency | false | true | java.lang.String | Time in milliseconds after which the parent component is automaticaly reloaded. |
| immediate | false | true | java.lang.String | Flag indicating that the update check should be performed immediately (that is, during Apply Request Values phase) rather than waiting until Render Response phase. |