text: const UserCreatedEvent = require('../common/user-created-event');
  
  exports.UserEventHandler = {
      handleUserCreatedEvent:(message) => {
          UserCreatedEvent.validateName(message);
          UserCreatedEvent.validateLastname(message);
          UserCreatedEvent.validateAge(message);
          UserCreatedEvent.validateCode(message);
  
          // pass message into business logic
          // note that the business logic should be mocked away for the contract test
  
      }
  };
  