---
category: Components
type: Data Display
title: Collapse
cols: 1
---
A content area which can be collapsed and expanded.
## When To Use
- 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
| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
| 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 | - | |
| bordered | Toggles rendering of the border around the collapse block | boolean | `true` | 3.6.5 |
| accordion | If `true` , `Collapse` renders as `Accordion` | boolean | `false` | 3.6.5 |
| onChange | Callback function executed when active panel is changed | Function | - | |
| expandIcon | allow to customize collapse icon | (panelProps) => ReactNode | - | 3.13.0 |
| expandIconPosition | Set expand icon position: `left` , `right` | `left` | - | 3.17.0 |
| destroyInactivePanel | Destroy Inactive Panel | boolean | `false` | 3.6.5 |
### Collapse.Panel
| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
| 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` | 3.2.0 |
| header | Title of the panel | string\|ReactNode | - | |
| key | Unique key identifying the panel from among its siblings | string\|number | - | |
| showArrow | If `false` , panel will not show arrow icon | boolean | `true` | 3.1.0 |
| extra | extra element in the corner | ReactNode | - | 3.14.0 |
