/**
* Creates a new ISC_QUOTE_ADDRESS_SHIPPING instance for this ISC_QUOTE and returns it.
*
* @param string $id specific id to create this address with otherwise leave it to random id generator
* @return ISC_QUOTE_ADDRESS_SHIPPING
*/
public function createShippingAddress($id = null)
{
$address = new ISC_QUOTE_ADDRESS_SHIPPING;
if ($id !== null) {
$address->setId($id);
}
$address->setQuote($this);
$this->addShippingAddress($address);
return $address;
}
