gistfile1.js

Module("gc.srv.bo.customer", function (m) {
  Class("Address", {
    isa: gc.srv.bo.BusinessObject,
    does: gc.srv.bo.GenericDecorator,
    
    validations: {
      firstName: {
        simple: ["required"]
      },
      
      lastName: {
        simple: ["required"]
      },
      
      postalCode: {
        simple: ["required", function () {
          return "postalCode"+gc.srv.bo.country.current().ID.toUpperCase();
        }]
      }
    }
  });
});