eca-1.0.x-dev/modules/development/templates/events/events.twig

{{ php_prefix|raw }}

namespace Drupal\{{ machine_name }};

/**
 * Defines events provided by the {{ machine_name }} module.
 */
final class EcaEvents {

  /**
   * Identifies \Drupal\{{ machine_name }}\Event\MyEvent event.
   *
   * @Event
   *
   * @var string
   */
  public const IDENTIFIER1 = '{{ machine_name }}.id1';

}