em" data-level="3"><a href="#example-6-adding-parameters" class="nav-link">Example 6: Adding parameters</a>
              <ul class="nav flex-column">
              </ul>
            </li>
            <li class="nav-item" data-level="3"><a href="#example-7-slider-for-the-feedback-control" class="nav-link">Example 7: Slider for the feedback control</a>
              <ul class="nav flex-column">
              </ul>
            </li>
            <li class="nav-item" data-level="3"><a href="#example-8-freeze-ef