def create_document_metadata(file_name, last_updated, last_updated_ts, file_path, file_dir):
    """Create a dict of metadata for each file; 
    a list of these dict are stored in updated_docs_metadata"""
    f = {
        "last_updated": last_updated,
        "last_updated_ts": last_updated_ts,
        "file_name": file_name,
        "file_path": file_path,
        "file_dir": file_dir

    }
    return f