Как настроить автозаполнение местоположения в заказе bitrix:sale.order.ajax

<?php
// /local/php_interface/init.php
use Bitrix\Main\EventManager;
use Bitrix\Main\Service\GeoIp\Manager;
use Bitrix\Sale\Location\LocationTable;

AddEventHandler('sale', 'OnSaleComponentOrderProperties', 'autoFillLocationByGeoIp');

function autoFillLocationByGeoIp(&$arUserResult, $request, &$arParams, &$arResult)
{
    foreach ($arUserResult['ORDER_PROP'] as $propertyId => $value) {
        $property = \CSaleOrderProps::GetList([], ['ID' => $propertyId])->Fetch();
        if ($property['TYPE'] === 'LOCATION' && empty($request->getPost("ORDER_PROP_{$propertyId}"))) {
            static $cityCode = null;
            if ($cityCode === null) {
                $ip = $_SERVER['HTTP_X_REAL_IP'] ?? $_SERVER['REMOTE_ADDR'];
                $geoData = Manager::getDataResult($ip, LANGUAGE_ID);
                if ($geoData->isSuccess() && $cityName = $geoData->getGeoData()->cityName) {
                    $location = LocationTable::getList([
                        'select' => ['CODE'],
                        'filter' => [
                            '=NAME.NAME' => $cityName,
                            'LANGUAGE_ID' => LANGUAGE_ID,
                            '=TYPE.CODE' => 'CITY'
                        ],
                        'limit' => 1
                    ])->fetch();
                    $cityCode = $location['CODE'] ?? false;
                } else {
                    $cityCode = false;
                }
            }
            if ($cityCode) {
                $arUserResult['ORDER_PROP'][$propertyId] = $cityCode;
            }
        }
    }
}