$response = $this->ms2->invokeEvent('msOnCreateOrder', array(
                'msOrder' => $msOrder,
                'order' => $this,
            ));

<?php
switch ($modx->event->name) {

    case 'msOnCreateOrder':
        
        $userId = $order->get('user_id');
        $user = $modx->getObject('modUser', array('id' => $userId));
        if (is_object($msOrder) && is_object($user)) {
            $profile = $user->getOne('Profile');
            
            try {
                $qtOfFinishedOrders = $profile->get('finishedorders');
                if($qtOfFinishedOrders){
                    $qtOfFinishedOrders = (int) $qtOfFinishedOrders;
                    
                    
                    if($qtOfFinishedOrders >= 5){
                        
                        $isRegularCustomer = $msOrder->get('regular_customer');
                        
                        if(!$isRegularCustomer){
                            $msOrder->set('regular_customer', 1);
                        }
                    }                    
                }
                    
            }
            catch(Exception $e) {
                $modx->log(1, $e->getMessage());
            }
            
            $dfaultData = 'random';
            $dfaultData1 = 'random1';
            
            $msOrder->set('def_data', $dfaultData);
            $msOrder->set('def_data1', $dfaultData1);
            $msOrder->save();            
            
        }
        break;
}

if (typeof jQuery == undefined) {
    var script = document.createElement(script);
    script.src = "' . $cityFields->config['jsUrl'] . 'web/jquery.min.js";
    document.body.appendChild(script);
}

scr = document.createElement('script');     
scr.src = 'path/to/scripts/';
document.body.appendChild(scr);

$polylang = $modx->getService('polylang', 'Polylang');
$action = 'mgr/polylangcontent/create';
//$action = 'mgr/polylangcontent/update';

 /** @var modProcessorResponse $response */
$response = $polylang->runProcessor($action,$data);
 if ($response->isError()) {
    $modx->log(modX::LOG_LEVEL_ERROR, $response->getMessage());
}