def METHOD_NAME(self, container):
    """Get partition output name.
    Partition output name set for mapping
    the published file output.
    Todo:
        Customizes the setting for the output.
    Args:
        container: Instance node.
    Returns:
        str: Partition name.
    """
    partition_count, partition_start = self.get_partition(container)
    return f"_part{partition_start:03}of{partition_count}"