add payment_link and banks

apps/tickets/forms.py

@@ -264,3 +264,12 @@ class UnitSMSTemplateForm(forms.ModelForm):
         super().__init__(*args, **kwargs)
         self.fields["unit"].queryset = OrganizationalUnit.objects.filter(pk__in=unit_ids if unit_ids is not None else TicketPolicy.unit_ids(user), is_active=True)
         self.fields["unit"].required = True
+
+    def clean(self):
+        data = super().clean()
+        if data.get('event_type') in {'PAYMENT_NOTICE_CREATED', 'PAYMENT_RECEIPT_APPROVED'}:
+            from apps.payments.notifications import TAGS
+            self.instance.allowed_tags = list(TAGS)
+        elif data.get('event_type'):
+            self.instance.allowed_tags = SMSTemplate._meta.get_field('allowed_tags').default()
+        return data