Classes/Controller/ContentElements/OverviewNavigationContentElementController.php
public function indexAction() {
    $settings = $this->settings;

    $items     = [];
    $itemsUids = GeneralUtility::intExplode(',', $settings['items'], true);

    foreach($itemsUids as $uid) {
      $items[] = $this->overviewNavigationItemRepository->findByUid($uid);
    }

    $this->view->assign('settings', $settings);
    $this->view->assign('items', $items);
  }
public function indexAction() {
    $settings = $this->settings;

    $items     = [];
    $itemsUids = GeneralUtility::intExplode(',', $settings['items'], true);

    foreach($itemsUids as $uid) {
      $items[] = $this->overviewNavigationItemRepository->findByUid($uid);
    }

    $this->view->assign('settings', $settings);
    $this->view->assign('items', $items);
  }
The index action.