Attach raw form data as JSON.

ticdesk_events/views.py

 from datetime import date
+import json
 
 from django.apps import apps
 from django.core.mail import EmailMessage
@@ -101,7 +102,10 @@ def register_event(request, cn):
         ):
             message.body += '***** ' + _('Geänderte Anschrift') + ' *****\n\n'
         message.body += form_to_text_table(register_form, 78)
-        
+
+        # Attach raw form data as attachment
+        message.attach('register_form.json', json.dumps(register_form.cleaned_data, indent=4), 'application/json')
+
         # Send message
         message.send()