public static function getDocumentDeliveryDate() { $data = new \NovaPoshta\MethodParameters\InternetDocument_getDocumentDeliveryDate(); $data->setDateTime('16.05.2015'); $data->setCitySender('8d5a980d-391c-11dd-90d9-001a92567626'); $data->setCityRecipient('db5c88de-391c-11dd-90d9-001a92567626'); $data->setServiceType('WarehouseDoors'); return InternetDocument::getDocumentDeliveryDate($data); }