public function addSellerInformationToBillingAgreement ()
    {
        $sellerBillingAgreementAttributes = new OffAmazonPaymentsService_Model_SellerBillingAgreementAttributes();
        $sellerBillingAgreementAttributes->setSellerBillingAgreementId(
                $this->_amazonBillingAgreementId);
        $sellerBillingAgreementAttributes->setStoreName("Your store name here");
        $sellerBillingAgreementAttributes->setCustomInformation(
                "Additional information you wish to include with this billing agreement.");
        
        $billingAgreementAttributes = new OffAmazonPaymentsService_Model_BillingAgreementAttributes();
        $billingAgreementAttributes->setSellerNote(
                "Description of the billing agreement that is displayed to the buyer in the emails.");
        $billingAgreementAttributes->setSellerBillingAgreementAttributes(
                $sellerBillingAgreementAttributes);
        
        $setBillingAgreementDetailsRequest = new OffAmazonPaymentsService_Model_SetBillingAgreementDetailsRequest();
        $setBillingAgreementDetailsRequest->setAmazonBillingAgreementId(
                $this->_amazonBillingAgreementId);
        $setBillingAgreementDetailsRequest->setSellerId($this->_sellerId);
        $setBillingAgreementDetailsRequest->setBillingAgreementAttributes(
                $billingAgreementAttributes);
        return $this->_service->setBillingAgreementDetails($setBillingAgreementDetailsRequest);
    }