| Attributes |
| Name | Required | Request-time | Type | Description |
| collapse | false | true | java.lang.Boolean | If true, the collapse body zone will be hidden, else visible. Default value is true. |
| header | false | true | java.lang.String | Header zone text. Can be defined otherwise through a nested collapseHeader tag. Accepts either EL, i18n key, HTML content or simple text. |
| style | false | true | java.lang.String | Css style. Accepts EL. |
| styleClass | false | true | java.lang.String | Css class style. Accepts EL. |
| rendered | false | true | boolean | Rendered or not, acceptable values are: [true(default), false]. |
| id | false | true | java.lang.String | Unique Identifier. Accepts EL. |
| templateStart | false | true | java.lang.String | Special velocity start template to replace default. Accepts EL. |
| templateEnd | false | true | java.lang.String | Special velocity end template to replace default. Accepts EL. |