getName() === 'field_user_orcid'; } public function viewElements(FieldItemListInterface $items, $langcode): array { $elements = []; foreach ($items as $delta => $item) { $id = $item->value; $elements[$delta] = [ '#type' => 'link', '#title' => $id, '#url' => Url::fromUri('https://orcid.org/' . $id), '#attributes' => ['target' => '_blank', 'rel' => 'noopener noreferrer'], ]; } return $elements; } }