public function replyToModifyHiddenPage($oFactory)
{
echo "<p>" . __('This is a hidden page.', 'admin-page-framework-loader') . "</p>";
echo "<p>" . __('It is useful when you have a setting page that requires a proceeding page.', 'admin-page-framework-loader') . "</p>";
$_sLinkToGoBack = esc_url($oFactory->oUtil->getQueryAdminURL(array('page' => 'apf_sample_page')));
echo "<a href='{$_sLinkToGoBack}'>" . __('Go Back', 'admin-page-framework-loader') . "</a>";
}