function updShipCarrier(rec_type, rec_id) { var recCustomer = nlapiLoadRecord(rec_type, rec_id); recCustomer.setFieldText('shippingcarrier', 'UPS'); // tested with this code - recCustomer.setFieldValue('shippingcarrier', 'ups') recCustomer.setFieldValue('comments', 'NEW TEST comment on update'); nlapiSubmitRecord(recCustomer); }