def METHOD_NAME(self, obj):
    """
    Called after the form has been saved, and after :meth:`.form_saved` has been called.
    The ``obj`` is the saved obj.
    Defaults to add :meth:`.get_success_message` as a django messages
    success message if :meth:`.get_success_message` returns anything.
    You can override this to add multiple messages or to show messages in some other way.
    """
    success_message = self.get_success_message(obj)
    if success_message:
        messages.success(self.request, success_message)