| dropdownClassName | className of dropdown menu | string | - |
| 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. | function(triggerNode) | () => document.body |
| 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) |
| focus | Called when focus | function |
| inputKeydown | Called when key pressed | function |
| mouseenter | Called when mouse enter | function |
| mouseleave | Called when mouse leave | function |
| popupScroll | Called when dropdown scrolls | function |
| search | Callback function that is fired when input changed. | function(value: string) |
| select | Called when a option is selected, the params are option's value (or key) and option instance. | function(value, option:Option) |