| autoClearSearchValue | Whether the current search will be cleared on selecting an item. Only applies when `mode` is set to `multiple` or `tags`. | boolean | true | |
| autofocus | Get focus by default | boolean | false | |
| dropdownMatchSelectWidth | Determine whether the dropdown menu and the select input are the same width. Default set `min-width` same as input. Will ignore when value less than select width. `false` will disable virtual scroll | boolean \| number | true | |
| filterOption | If true, filter options by input, if function, filter options against it. 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. | `boolean` \| `function(inputValue, option)` | true | |
| 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. | function(triggerNode) | () => document.body | |
| labelInValue | whether to embed label in value, turn the format of value from `string` to `{key: string, label: vNodes, originLabel: any}`, originLabel (3.1) maintains the original type. If the node is constructed through a-select-option children, the value is a function (the default slot of a-select-option) | boolean | false | |
| options | Data of the selectOption, manual construction work is no longer needed if this property has been set | Array<{value, label, [disabled, key, title]}> | \[] | |
> Note, if you find that the drop-down menu scrolls with the page, or you need to trigger Select in other popup layers, please try to use `getPopupContainer={triggerNode => triggerNode.parentElement}` to fix the drop-down popup rendering node in the parent element of the trigger .
| change | Called when select an option or input value change, or value of input is changed in combobox mode | function(value, option:Option \| Array<Option>) |
| deselect | Called when a option is deselected, the params are option's value (or key) . only called for multiple or tags, effective in multiple or tags mode only. | function(value, option:Option) |
Dropdown menu will be closed if click `dropdownRender` area, you can prevent the default behavior of a click event, See the [dropdownRender example](#components-select-demo-custom-dropdown-menu).
