def METHOD_NAME(self, resource_name):
    """Format resource names for storage as sketch attributes.
    Returns:
      Tuple in format ('resource_type', 'resource_identifier')
    """
    resource_identifier = resource_name.rsplit("/", maxsplit=2)[-1]
    resource_type = "gcp_" + resource_name.rsplit("/", maxsplit=2)[-2]
    return (resource_type, resource_identifier)