How to update the schema for an XPO object model

gistfile1.cs

//How to update an XPO schema and create the XPObjectType table
using (Session session = new Session())
{
    //Here we select one class from each assembly that contains XPO classes
    //For example User is one of our XPO object model classes
    Assembly[] array = { typeof(User).Assembly, typeof(XPObjectType).Assembly };
    session.UpdateSchema(array);
}