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---
category: Components
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type: Data Entry
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title: Cascader
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cover: https://gw.alipayobjects.com/zos/alicdn/UdS8y8xyZ/Cascader.svg
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---
Cascade selection box.
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## When To Use
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- When you need to select from a set of associated data set. Such as province/city/district, company level, things classification.
- When selecting from a large data set, with multi-stage classification separated for easy selection.
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- Chooses cascade items in one float layer for better user experience.
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## API
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```jsx
< Cascader options = {options} onChange = {onChange} / >
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```
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| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
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| allowClear | Whether allow clear | boolean | true | |
| autoFocus | If get focus when component mounted | boolean | false | |
| bordered | Whether has border style | boolean | true | |
| changeOnSelect | Change value on each selection if set to true, see above demo for details | boolean | false | |
| className | The additional css class | string | - | |
| defaultValue | Initial selected value | string\[] \| number\[] | \[] | |
| disabled | Whether disabled select | boolean | false | |
| displayRender | The render function of displaying selected options | (label, selectedOptions) => ReactNode | label => label.join(`/`) | |
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| dropdownRender | Customize dropdown content | (menus: ReactNode) => ReactNode | - | 4.4.0 |
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| expandIcon | Customize the current item expand icon | ReactNode | - | 4.4.0 |
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| expandTrigger | expand current item when click or hover, one of `click` `hover` | string | `click` | |
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| fieldNames | Custom field name for label and value and children | object | { label: `label` , value: `value` , children: `children` } | |
| getPopupContainer | Parent Node which the selector should be rendered to. Default to `body` . When position issues happen, try to modify it into scrollable content and position it relative. [example ](https://codepen.io/afc163/pen/zEjNOy?editors=0010 ) | function(triggerNode) | () => document.body | |
| loadData | To load option lazily, and it cannot work with `showSearch` | (selectedOptions) => void | - | |
| notFoundContent | Specify content to show when no result matches | string | `Not Found` | |
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| options | The data options of cascade | [Option ](#Option )\[] | - | |
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| placeholder | The input placeholder | string | `Please select` | |
| popupClassName | The additional className of popup overlay | string | - | |
| popupPlacement | Use preset popup align config from builtinPlacements: `bottomLeft` `bottomRight` `topLeft` `topRight` | string | `bottomLeft` | |
| popupVisible | Set visible of cascader popup | boolean | - | |
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| showSearch | Whether show search input in single mode | boolean \| [Object ](#showSearch ) | false | |
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| size | The input size | `large` \| `middle` \| `small` | - | |
| style | The additional style | CSSProperties | - | |
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| suffixIcon | The custom suffix icon | ReactNode | - | |
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| value | The selected value | string\[] \| number\[] | - | |
| onChange | Callback when finishing cascader select | (value, selectedOptions) => void | - | |
| onPopupVisibleChange | Callback when popup shown or hidden | (value) => void | - | |
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### showSearch
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| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
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| filter | The function will receive two arguments, inputValue and option, if the function returns true, the option will be included in the filtered set; Otherwise, it will be excluded | function(inputValue, path): boolean | - | |
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| limit | Set the count of filtered items | number \| false | 50 | |
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| matchInputWidth | Whether the width of list matches input, ([how it looks](https://github.com/ant-design/ant-design/issues/25779)) | boolean | true | |
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| render | Used to render filtered options | function(inputValue, path): ReactNode | - | |
| sort | Used to sort filtered options | function(a, b, inputValue) | - | |
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### Option
```typescript
interface Option {
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value: string | number;
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label?: React.ReactNode;
disabled?: boolean;
children?: Option[];
}
```
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## Methods
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| Name | Description | Version |
| --- | --- | --- |
| blur() | Remove focus | |
| focus() | Get focus | |