public function ExampleFormEventSubscribers::alterForm in Hook Event Dispatcher 3.x

Same name and namespace in other branches

1. 8.2 examples/ExampleFormEventSubscribers.php \Drupal\hook_event_dispatcher\ExampleFormEventSubscribers::alterForm()

Alter form.

Parameters

\Drupal\core_event_dispatcher\Event\Form\FormAlterEvent $event: The event.

File

examples/ExampleFormEventSubscribers.php, line 30

Class

ExampleFormEventSubscribers

Class ExampleFormEventSubscribers.

Namespace

Drupal\hook_event_dispatcher

Code

public function alterForm(FormAlterEvent $event) : void {
  $form =& $event
    ->getForm();
  $form['extra_markup'] = [
    '#markup' => 'This is really cool markup',
  ];
}