| dropdownMatchSelectWidth | Whether dropdown's with is same with select. | boolean | true |
| 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 |
| onChange | Called when select an option or input value change, or value of input is changed in combobox mode | function(value, label) | - |
| onDeselect | 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) | - |
| key | Same usage as `value`. If React request you to set this property, you can set it to value of option, and then omit value property. | string | |