// Expiration date - MMYY, MM/YY, MM-YY, MMYYYY, MM/YYYY, MM-YYYY
$Auth->setPaymentDescription('New Sale on Product 232');
// Description of the Transaction.
$Auth->setCustomerFirstName('Richard');
// Customer First Name
$Auth->setCustomerLastName('Castera');
// Customer Last Name
$Auth->setCustomerCompany('Nice Emails');
// Customer's Company Name
$Auth->setCustomerAddress('589 8th Ave Suite 10');
// Customer's Billing Address
$Auth->setCustomerCity('New York');
// Customer's Billing City
$Auth->setCustomerState('NY');
// Customer's Billing State
$Auth->setCustomerZip('10018');
// Customer's Billing Zip
$Auth->setCustomerCountry('United States');
// Customer's Billing Country
$Auth->setCustomerPhone('212-123-1234');
// Customer's Billing Phone Number
$Auth->setCustomerFax('212-123-4567');
// Customer's Billing Fax Number
$Auth->setCustomerEmail('*****@*****.**');
// Customer's Email Address
$Auth->sendCustomerReceipt(FALSE);
// Allow Authorize to send it's receipt to the Customer
$Auth->setShippingFirstName('Richard');
// Shipping First Name
$Auth->setShippingLastName('Castera');
// Shipping Last Name