| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
| accordion | If true, Collapse renders as Accordion | boolean | false | |
| activeKey | Key of the active panel | string\[] \| string <br/> number\[] \| number | No default value. In `accordion` mode, it's the key of the first panel | |
| bordered | Toggles rendering of the border around the collapse block | boolean | true | |
| collapsible | Specify whether the panels of children be collapsible or the trigger area of collapsible | `header` \| `icon` \| `disabled` | - | 4.9.0 |
| defaultActiveKey | Key of the initial active panel | string\[] \| string <br/> number\[] \| number | - | |
| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
| collapsible | Specify whether the panel be collapsible or the trigger area of collapsible | `header` \| `icon` \| `disabled` | - | 4.9.0 (icon: 4.24.0) |
| extra | The extra element in the corner | ReactNode | - | |
| forceRender | Forced render of content on panel, instead of lazy rendering after clicking on header | boolean | false | |
| header | Title of the panel | ReactNode | - | |
| key | Unique key identifying the panel from among its siblings | string \| number | - | |
| showArrow | If false, panel will not show arrow icon. If false, collapsible can't be set as icon | boolean | true | |