Additional event informations can be added

app/Domains/Event/Actions/SignUp/SignUpRequest.php

@@ -46,6 +46,8 @@ class SignUpRequest {
         public Amount $amount,
         public ?string $paymentMethod,
         public array $paymentOptions = [],
+        /** Antworten auf die Teilnahmeoptionen: [ question_key => value ]. */
+        public array $participationOptions = [],
     ) {
     }
 }