Here is the example code by which you can get last order details into mangento of using email id. $_customer = Mage::getModel('customer/customer'); $_customer->loadByEmail('demo@demo.com'); $orders = Mage::getResourceModel('sales/order_collection') ->addFieldToSelect('*') ->addFieldToFilter('customer_id', $_customer->getId()) ->addAttributeToSort('created_at', 'DESC') ->setPageSize(1); ID echo $orders->getFirstItem()->getId(); Shashi Dhar KumarShashi Dhar Kumar...