 href="../../../training/implementing-navigation/descendant.html">
            Implementing Descendant Navigation
          </a>
          </li>
        </ul>
      </li>

      <li class="nav-section">
          <div class="nav-section-header">
              <a href="../../../training/notify-user/index.html"
                 description=
                 "How to display messages called notifications outside of
                 your application's UI."
               >Notifying the User</a>
          </div>
