chosenOption: *** or {***} //the option passed to chosen function when create the chosen

source: ***, //source items

valueProp: *** //the property of the items in source that will be used as the value of the option

selectedValue: *** //the value that user is selected, it can be array

selectedValueItemProp: the prop of the items in selectedValue array, that will be used to match the value in source

displayProp: the property of the items in source that will be used as the text of the option