/** * Set an address to use as the billing address for this quote. * * @param ISC_QUOTE_ADDRESS $address ISC_QUOTE_ADDRESS instance. * @return ISC_QUOTE This quote instance. */ public function setBillingAddress(ISC_QUOTE_ADDRESS $address) { $address->setQuote($this); $address->setType(ISC_QUOTE_ADDRESS::TYPE_BILLING); $this->addresses[$address->getId()] = $address; return $this; }