[ '#prefix' => '', 'title' => ['#markup' => $element->getProperty('title')], '#suffix' => '', ], 'colspan' => 2, 'class' => [ 'field-label', !empty($element['#required']) ? 'form-required' : '', ], ], t('Order', [], ['context' => 'Sort order']), ]; $variables['table']['#header'] = $header; } } }