PhalconEye how widget work

autocomplete.js

// notice  $(function () {
(function (window, $, root, undefined) {
    $(function () {
        root.ns(
            'PhalconEye.widget.autocomplete',
            {
                /**
                 * Init autocomplete.
                 *
                 * @param element Element object.
                 */
                init: function (element) {
                }
            }
        );
    });
}(window, jQuery, PhalconEye));

core.js

function _initSystem() {
        PhalconEye.widget.init();
        PhalconEye.form.init();
        
        
        ///.........
        }

dual-listbox.js

(function (window, $, root, undefined) {
    root.ns(
        'PhalconEye.widget.dualListBox',
        {
            /**
             * Init autocomplete.
             *
             * @param element Element object.
             */
            init: function (element) {
                element.bootstrapDualListbox({
                });
            }
        }
    );
}(window, jQuery, PhalconEye));

test.php

// define and usage
$this->addSelect('users[]', 'Users', null, $arrUsers, null, ['using' => ['id', '__getFullName']], ['data-widget'=>"dualListBox", 'multiple'=> 'true']);