def METHOD_NAME(self, request, project_id: str, cluster_id: str, ns_name_list: Set[str]):
    access_token = request.user.token.access_token
    creator = request.user.token.access_token
    for ns_name in ns_name_list:
        ns_utils.create_cc_namespace(access_token, project_id, cluster_id, ns_name, creator)