@abc.abstractmethod<EOL><INDENT>def new_functions(self, notification_id, function_ids):<DEDENT>
pass<EOL>
The callback for notifications of new functions.

        :param notification_id: the notification Id
        :type notification_id: ``osid.id.Id``
        :param function_ids: the Id of the new ``Functions``
        :type function_ids: ``osid.id.IdList``


        *compliance: mandatory -- This method must be implemented.*