src/js/picker.js
function(val) {
                // here you may parse your format when you build your plugin
                var valueInPicker = this.options.itemProperty ? this.pickerValue[this.options.itemProperty] : this.pickerValue;
                return (val ? val : valueInPicker);
            }
function(val) {
                // here you may parse your format when you build your plugin
                var valueInPicker = this.options.itemProperty ? this.pickerValue[this.options.itemProperty] : this.pickerValue;
                return (val ? val : valueInPicker);
            }
Returns the formatted item value
@returns string