code: protected void addPage(String wizardConfigurationKey, WizardPage page) {
          pages.add(page);
          page.setWizard(this);
          if (autoConfigureChildPages) {
              String key = ((wizardConfigurationKey != null) ? wizardConfigurationKey + "." : "") + page.getId();
              ValkyrieRepository.getInstance().getApplicationConfig().applicationObjectConfigurer().configure(page, key);
          }
      }
docs: Adds a new page to this wizard. The page is inserted at the end of the
  page list.
  
  @param wizardConfigurationKey
  the parent configuration key of the page, used for
  configuration, by default this wizard's id *
  @param page
  the new page