Добавление свойств заказа в шаблон письма

// отправка кастомного письма об оформлении заказа
// обработка события OnSaleComponentOrderOneStepComplete вызывается в bitrix:sale.order.ajax
AddEventHandler('sale', 'OnSaleComponentOrderOneStepComplete', Array('customEvents', 'OnOrderAddHandler'));

class customEvents
{
   function OnOrderAddHandler($ID, &$arFields)
   {
      GLOBAL $USER;
      // свойства заказа
      $arProps = array();
      $res = CSaleOrderPropsValue::GetOrderProps($arFields['ID']);
      while ($prop = $res->Fetch())
          $arProps[$prop['CODE']] = $prop;
      // состав заказа
      $strBasket = '';
      $res = CSaleBasket::GetList(
         array('NAME' => 'ASC'),
         array('ORDER_ID' => $arFields['ID']),
         false,
         false,
         array('ID', 'NAME', 'QUANTITY', 'PRICE', 'CURRENCY')
      );
      while ($el = $res->GetNext())
         $strBasket .= ' * '.$el['NAME'].' ('.strval((int)$el['QUANTITY']).') - '.SaleFormatCurrency($el['PRICE'], $el['CURRENCY'])."\n";
      // платежная система
      if ($arFields['PAY_SYSTEM_ID'])
         $arPaySystem = CSalePaySystem::GetByID($arFields['PAY_SYSTEM_ID']);
      // служба доставки
      if ($arFields['DELIVERY_ID'])
         $arDelivery = CSaleDelivery::GetByID($arFields['DELIVERY_ID']);
      // адрес
      $arAddress = array();
      if (strlen($arProps['INDEX']['VALUE']))
         $arAddress[] = $arProps['INDEX']['VALUE'];
      if ($arProps['COUNTRY']['VALUE'])
      {
         $arLocation = CSaleLocation::GetByID($arProps['COUNTRY']['VALUE']);
         if (strlen($arLocation['COUNTRY_NAME']))
            $arAddress[] = $arLocation['COUNTRY_NAME'];
         if (strlen($arLocation['CITY_NAME']))
            $arAddress[] = $arLocation['CITY_NAME'];
      }
      if (strlen($arProps['LOCATION']['VALUE']))
         $arAddress[] = $arProps['LOCATION']['VALUE'];
      // отправка сообщения
      $arEventFields = array(
         'ORDER_ID' => $arFields['ID'],
         'ORDER_DATE' => $arFields['DATE_INSERT_FORMAT'],
         'USER_NAME' => $arProps['CONTACT_PERSON']['VALUE'],
         'USER_PHONE' => $arProps['PHONE']['VALUE'],
         'PRICE' => SaleFormatCurrency($arFields['PRICE'], $arFields['CURRENCY']),
         'ORDER_LIST' => $strBasket,
         'PAY_SYSTEM' => $arPaySystem['NAME'],
         'DELIVERY' => $arDelivery['NAME'],
         'ADDRESS' => implode(', ', $arAddress),
         'COMPANY_NAME' => (isset($arProps['F_COMPANY_NAME']) ? 'Организация: '.$arProps['F_COMPANY_NAME']['VALUE']."\n" : ''),
         'BCC' => COption::GetOptionString('sale', 'order_email', 'order@'.$SERVER_NAME),
         'EMAIL' => (strlen($arProps['EMAIL']['VALUE']) ? $arProps['EMAIL']['VALUE'] : $USER->GetEmail()),
         'SALE_EMAIL' => COption::GetOptionString('sale', 'order_email', 'order@'.$SERVER_NAME),
      );
      CEvent::Send('CUSTOM_SALE_NEW_ORDER', SITE_ID, $arEventFields);
   }
}