addBreadCrumbElement(new BreadCrumbElement(new ResourceModel("navigation.administration.user"),
AdministrationUserPortfolioPage.linkDescriptor()));
IModel<String> searchTermModel = Model.of("");
UserPortfolioPanel portfolioPanel = new UserPortfolioPanel("portfolio", new UserDataProvider(searchTermModel),
configurer.getPortfolioItemsPerPage());
add(portfolioPanel);
add(new AdministrationUserSearchPanel("searchPanel", portfolioPanel.getPageable(), searchTermModel));
// User create popup
UserFormPopupPanel userCreatePanel = new UserFormPopupPanel("userCreatePopupPanel");
add(userCreatePanel);