def add(self, visualization):
        """
        Creates a new visualization
        :param visualization: instance of Visualization
        :return:
        """
        res = self.es.create(index=self.index,
                             id=visualization.id or str(uuid.uuid1()),
                             doc_type=self.doc_type,
                             body=visualization.to_kibana(), refresh=True)
        return res
Creates a new visualization
        :param visualization: instance of Visualization
        :return: