Basic implementation of payment methods

app/Domains/Event/Controllers/ParticipantUpdateController.php

@@ -33,6 +33,7 @@ class ParticipantUpdateController extends CommonController {
             departure: $request->input('departure'),
             participationType: $request->input('participationType'),
             eatingHabit: $request->input('eatingHabit'),
+            paymentMethod: $request->input('paymentMethod'),
             allergies: $request->input('allergies'),
             intolerances: $request->input('intolerances'),
             medications: $request->input('medications'),