old_contents: from django import forms
  
  from notify.forms import NotifyOnCreationForm
  from .models import StewardNotification
  
  
  class StewardNotificationForm(NotifyOnCreationForm):
  
      class Meta:
          model = StewardNotification
          fields = (
              'name', 'phone', 'email', 'type', 'url', 'facebook_page',
              'use', 'land_tenure_status', 'support_organization',
              'others_get_involved', 'farm_stand', 'waiting_list', 'part_of_nga',
          )
          widgets = {
              'content_type': forms.HiddenInput(),
              'object_id': forms.HiddenInput(),
          }
  
new_contents: from django import forms
  
  from notify.forms import NotifyOnCreationForm
  from .models import StewardNotification
  
  
  class StewardNotificationForm(NotifyOnCreationForm):
  
      class Meta:
          model = StewardNotification
          fields = (
              # Hidden fields
              'content_type', 'object_id',
  
              # Organizer fields
              'name', 'phone', 'email', 'type', 'url', 'facebook_page',
  
              # StewardProject fields
              'use', 'land_tenure_status', 'support_organization',
              'others_get_involved', 'farm_stand', 'waiting_list', 'part_of_nga',
          )
          widgets = {
              'content_type': forms.HiddenInput(),
              'object_id': forms.HiddenInput(),
          }
  
subject: include hidden form fields