| dropdownStyle | style of dropdown menu | object | - | |
| 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 or function(inputValue, option) | true | |
| firstActiveValue | Value of action option by default | string\|string\[] | - | |
| 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://codesandbox.io/s/4j168r7jw0) | function(triggerNode) | () => document.body | |
| labelInValue | whether to embed label in value, turn the format of value from `string` to `{key: string, label: ReactNode}` | boolean | false | |