def build_inventory_request(options)
      xml = Builder::XmlMarkup.new :indent => 2
      xml.instruct!
      xml.tag! 'InventoryXML' do
        add_credentials(xml)
      end
    end
def build_inventory_request(options)
      xml = Builder::XmlMarkup.new :indent => 2
      xml.instruct!
      xml.tag! 'InventoryXML' do
        add_credentials(xml)
      end
    end
<?xml version="1.0"?>
 <InventoryXML>
   <Password>Webgistix</Password>
   <CustomerID>3</CustomerID>
 </InventoryXML>