public function ExampleFieldEventSubscribers::alterWidgetForm in Hook Event Dispatcher 3.x

Same name and namespace in other branches

1. 8.2 examples/ExampleFieldEventSubscribers.php \Drupal\hook_event_dispatcher\ExampleFieldEventSubscribers::alterWidgetForm()

Alter widget form.

Parameters

\Drupal\field_event_dispatcher\Event\Field\WidgetFormAlterEvent $event: The event.

File

examples/ExampleFieldEventSubscribers.php, line 29

Class

ExampleFieldEventSubscribers

Class ExampleFieldEventSubscribers.

Namespace

Drupal\hook_event_dispatcher

Code

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