t('Name'); $header['description'] = [ 'data' => $this->t('Description'), 'class' => [RESPONSIVE_PRIORITY_MEDIUM], ]; return $header + parent::buildHeader(); } /** * {@inheritdoc} */ public function buildRow(EntityInterface $entity) { $row['title'] = [ 'data' => $entity->label(), 'class' => ['menu-label'], ]; $row['description']['data'] = ['#markup' => $entity->getDescription()]; return $row + parent::buildRow($entity); } /** * {@inheritdoc} */ public function render() { $build = parent::render(); $build['table']['#empty'] = $this->t('No media types available. Add media type.', [ ':url' => Url::fromRoute('entity.media_type.add_form')->toString(), ]); return $build; } }