def on_msgpack_dumps(self, msgpack, config, dictionary, **kwargs):
return msgpack.dumps(dictionary)<EOL>
The `msgpack <https://pypi.org/project/msgpack/>`_ dumps method.

        :param module msgpack: The ``msgpack`` module
        :param class config: The instance's config class
        :param dict dictionary: The dictionary instance to serialize
        :returns: The serialized content
        :rtype: str