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---
category: Components
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type: Data Display
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title: Collapse
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cols: 1
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cover: https://gw.alipayobjects.com/zos/alicdn/IxH16B9RD/Collapse.svg
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---
A content area which can be collapsed and expanded.
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## When To Use
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- Can be used to group or hide complex regions to keep the page clean.
- `Accordion` is a special kind of `Collapse` , which allows only one panel to be expanded at a time.
## API
### Collapse
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| activeKey | Key of the active panel | string\[]\|string\| number\[]\|number | No default value. In `accordion` mode, it's the key of the first panel. | |
| defaultActiveKey | Key of the initial active panel | string\[]\|string\| number\[]\|number | - | |
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| bordered | Toggles rendering of the border around the collapse block | boolean | true | |
| accordion | If `true` , `Collapse` renders as `Accordion` | boolean | false | |
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| onChange | Callback function executed when active panel is changed | Function | - | |
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| expandIcon | allow to customize collapse icon | (panelProps) => ReactNode | - | |
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| expandIconPosition | Set expand icon position | `left` \| `right` | - | |
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| destroyInactivePanel | Destroy Inactive Panel | boolean | false | |
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| ghost | make the collapse borderless and its background transparent | boolean | false | 4.4.0 |
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### Collapse.Panel
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| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
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| disabled | If `true` , panel cannot be opened or closed | boolean | false | |
| forceRender | Forced render of content on panel, instead of lazy rending after clicking on header | boolean | false | |
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| header | Title of the panel | string\|ReactNode | - | |
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| key | Unique key identifying the panel from among its siblings | string\|number | - | |
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| showArrow | If `false` , panel will not show arrow icon | boolean | true | |
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| extra | extra element in the corner | ReactNode | - | |
