code: protected void openNewDialog() {
  
          final Window window = CmsBasicDialog.prepareWindow(DialogWidth.wide);
          CmsBasicDialog dialog = new CmsNewElementDialog(m_cms, m_stateBean.getPath(), window, this);
          window.setContent(dialog);
          window.setCaption(CmsVaadinUtils.getMessageText(Messages.GUI_USERMANAGEMENT_ADD_ELEMENT_0));
          A_CmsUI.get().addWindow(window);
      }
docs: Opens a dialog for a new item (ou, group or user).<p>