def serialize(self):
        """serialize."""

        if self.request is None:
            request = None
        else:
            request = json.loads(self.request)

        if self.response is None:
            response = None
        else:
            response = json.loads(self.response)

        return {
            'id': self.id,
            'name': self.name,
            'request': request,
            'response': response
        }
serialize.