$address = new Varien_Object(); $address->setDestPostal('12345');In this example, we create a new Varien_Object instance and set the destination postal code to '12345' using the setDestPostal method. Overall, Varien_Object is a package library that provides a wide range of powerful and flexible data management tools for PHP developers. It is a key part of the Magento platform and is used extensively by developers to manage data objects in their applications.