def register_for_new_assets(self):
<EOL>MONGO_LISTENER.receivers[self._ns][self._receiver]['<STR_LIT:i>'] = True<EOL>
Register for notifications of new assets.

        ``AssetReceiver.newAssets()`` is invoked when a new ``Asset``
        appears in this repository.

        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        *compliance: mandatory -- This method must be implemented.*