public function ExampleFormEventSubscribers::alterWidgetForm in Hook Event Dispatcher 8

Alter widget form.

Parameters

\Drupal\hook_event_dispatcher\Event\Form\WidgetFormAlterEvent $event: The event.

File

src/Example/ExampleFormEventSubscribers.php, line 70

Class

ExampleFormEventSubscribers

Class ExampleFormEventSubscribers.

Namespace

Drupal\hook_event_dispatcher\Example

Code

public function alterWidgetForm(WidgetFormAlterEvent $event) {
  $element =& $event
    ->getElement();
  $element['extra_field'] = [
    '#type' => 'textfield',
    '#title' => 'I am an extra field!',
  ];
}