Event identifiers for anonymizations

app/Resources/EventResource.php

@@ -23,6 +23,7 @@ class EventResource extends JsonResource{
         $returnArray = [
             'id' => $this->event->id,
             'name' => $this->event->name,
+            'identifier' => $this->event->identifier,
             'location' => $this->event->location,
             'postalCode' => $this->event->postal_code,
             'email' => $this->event->email,