diff --git a/backend/account/tasks.py b/backend/account/tasks.py
index 75ff897..565d65a 100644
--- a/backend/account/tasks.py
+++ b/backend/account/tasks.py
@@ -10,6 +10,7 @@ from .models import CustomUser
 
 logger = get_task_logger(__name__)
 
+# TODO: předělat funkci ať funguje s base.html šablonou na emaily !!!
 def send_email_with_context(recipients, subject, message=None, template_name=None, html_template_name=None, context=None):
     """
     General function to send emails with a specific context.
diff --git a/backend/commerce/models.py b/backend/commerce/models.py
index 58812bf..6d91de7 100644
--- a/backend/commerce/models.py
+++ b/backend/commerce/models.py
@@ -546,7 +546,15 @@ class Refund(models.Model):
             "return_reason": return_reason,
         }
 
-        #TODO: přesunou zásilkovna field tady taky (ostranit z order několik balíku)
+        #TODO: přesunou zásilkovna field tady taky (zkontrolovat jestli jsou views napojené a použít metodu send z carrier)
+        carrier = models.OneToOneField(
+            "Carrier",
+            on_delete=models.CASCADE,
+            related_name="refund",
+            null=True,
+            blank=True
+        )
+        
 
         html_string = render_to_string("refund/customer_in_package_returning_form.html", context)
         pdf_bytes = HTML(string=html_string).write_pdf()
diff --git a/backend/thirdparty/stripe/models.py b/backend/thirdparty/stripe/models.py
index f80f3a3..414316b 100644
--- a/backend/thirdparty/stripe/models.py
+++ b/backend/thirdparty/stripe/models.py
@@ -3,8 +3,6 @@ from django.apps import apps
 
 # Create your models here.
 
-#TODO: logika a interakce bude na stripu (třeba aktualizovaní objednávky na zaplacenou apod.)
-
 from .client import StripeClient
     
 class StripeModel(models.Model):
diff --git a/backend/thirdparty/stripe/views.py b/backend/thirdparty/stripe/views.py
index f940959..bc7c362 100644
--- a/backend/thirdparty/stripe/views.py
+++ b/backend/thirdparty/stripe/views.py
@@ -26,12 +26,13 @@ class StripeWebhook(APIView):
         sig_header = request.META['HTTP_STRIPE_SIGNATURE']
 
         try:
-            #build stripe event
+            #build stripe event (api call)
             event = stripe.Webhook.construct_event(
                 payload, sig_header, os.getenv("STRIPE_WEBHOOK_SECRET")
             )
 
         except ValueError as e:
+            # TODO: doupravit error handling, dodělat v modelu možnost pro uložení chyby a status ERROR
             logger.error(f"Invalid payload: {e}")
             return HttpResponse(status=400)