Issue #3281136 by jsacksick: Allow reacting to the Commerce recurring payment declined event.

<?php

namespace Drupal\commerce_email\Plugin\Commerce\EmailEvent;

use Drupal\commerce_recurring\Event\PaymentDeclinedEvent;

use Drupal\Component\EventDispatcher\Event;

/**

 * Provides the RecurringPaymentDeclined email event.

 *

 * @CommerceEmailEvent(

 *   id = "commerce_recurring_payment_declined",

 *   label = @Translation("Commerce Recurring - Payment declined"),

 *   event_name = "commerce_recurring.payment_declined",

 *   entity_type = "commerce_order",

 * )

 */

class RecurringPaymentDeclined extends EmailEventBase {

  /**

   * {@inheritdoc}

   */

  public function extractEntityFromEvent(Event $event) {

    assert($event instanceof PaymentDeclinedEvent);

    return $event->getOrder();

  }

}