Issue #3342639 by jungle: Calling the...

Issue #3342639 by jungle: Calling the Symfony\Component\EventDispatcher\EventDispatcherInterface::dispatch() method with a string event name as the first argument is deprecated

modules/events_example/src/Event/IncidentReportEvent.php

@@ -2,7 +2,7 @@
 
 namespace Drupal\events_example\Event;
 
-use Symfony\Component\EventDispatcher\Event;
+use Symfony\Contracts\EventDispatcher\Event;
 
 /**
  * Wraps a incident report event for event subscribers.

modules/events_example/src/Form/EventsExampleForm.php

@@ -15,7 +15,7 @@
  * The submitForm() method of this class demonstrates using the event dispatcher
  * service to dispatch an event.
  *
- * @see \Drupal\events_exampl\Event\IncidentEvents
+ * @see \Drupal\events_example\Event\IncidentEvents
  * @see \Drupal\events_example\Event\IncidentReportEvent
  * @see \Symfony\Component\EventDispatcher\EventDispatcherInterface
  * @see \Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher
@@ -124,7 +124,7 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
     // to represent the event being dispatched. The constant serves as a
     // location for documentation of the event, and ensures your code is future
     // proofed against event name changes.
-    $this->eventDispatcher->dispatch(IncidentEvents::NEW_REPORT, $event);
+    $this->eventDispatcher->dispatch($event, IncidentEvents::NEW_REPORT);
   }
 
 }