## API ```jsx
header
left sidebar main content right sidebar
``` ### Layout The wrapper. | Property | Description | Type | Default | | -------- | ----------- | ---- | ------- | | class | container className | string | - | | style | to customize the styles | object\|string | - | | hasSider | whether contain Sider in children, don't have to assign it normally. Useful in ssr avoid style flickering | boolean | - | > APIs of `Layout.Header` `Layout.Footer` `Layout.Content` are the same as that of `Layout`. ### Layout.Sider The sidebar. | Property | Description | Type | Default | | -------- | ----------- | ---- | ------- | | breakpoint | [breakpoints](/components/grid#api) of the responsive layout | Enum { 'xs', 'sm', 'md', 'lg', 'xl', 'xxl' } | - | | class | container className | string | - | | collapsed(v-model) | to set the current status | boolean | - | | collapsedWidth | width of the collapsed sidebar, by setting to `0` a special trigger will appear | number | 64 | | collapsible | whether can be collapsed | boolean | false | | defaultCollapsed | to set the initial status | boolean | false | | reverseArrow | reverse direction of arrow, for a sider that expands from the right | boolean | false | | style | to customize the styles | object\|string | - | | trigger | specify the customized trigger, set to null to hide the trigger | string\|slot | - | | width | width of the sidebar | number\|string | 200 | ### Events | Events Name | Description | Arguments | | --- | --- | --- | | collapse | the callback function, executed by clicking the trigger or activating the responsive layout | (collapsed, type) => {} | #### breakpoint width ```js { xs: '480px', sm: '576px', md: '768px', lg: '992px', xl: '1200px', xxl: '1600px', } ```