def _get_file_name_from_row(row):
    """
    Given a row from the manifest, return the field representing file's expected file_name.

    Args:
        row (dict): column_name:row_value

    Returns:
        List[str]: file_name for indexd record file location(s)
    """
    if "file_name" in row:
        return row["file_name"]
    elif "filename" in row:
        return row["filename"]
    elif "name" in row:
        return row["name"]
    else:
        return None