// 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
$Auth->setShippingCompany('NiceEmails');
// Shipping Company
$Auth->setShippingAddress('589 8th Ave. Suite 10');
// Shipping Address
$Auth->setShippingCity('New York');
// Shipping City
$Auth->setShippingState('NY');
// Shipping State
$Auth->setShippingZip('10018');
// Shipping Zip