--- 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` | | | accordion | If `true`, `Collapse` renders as `Accordion` | boolean | `false` | | | onChange | Callback function executed when active panel is changed | Function | - | | | expandIcon | allow to customize collapse icon | (panelProps) => ReactNode | - | | | expandIconPosition | Set expand icon position | `left` \| `right` | - | | | destroyInactivePanel | Destroy Inactive Panel | boolean | `false` | | ### 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` | | | 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` | | | extra | extra element in the corner | ReactNode | - | |