function OnInit(initData) {
    initData.name = 'AudioFolderInfo';
    initData.version = '2023-10-17';
    initData.copyright = '';
    initData.url = 'https://resource.dopus.com/t/how-to-get-folder-columns-to-populate-info/46473';
    initData.desc = '';
    initData.default_enable = true;
    initData.min_version = '12.0';
}

function OnAddColumns(addColData) {
    var col = addColData.AddColumn();
    col.name = 'AudioFolderInfo';
    col.method = 'OnColumn';
}

var fsu = DOpus.FSUtil();

function OnColumn(scriptColData) {
    scriptColData.value = '';

    var item = scriptColData.item;
    if (!item.is_dir) return;

    var folderEnum = fsu.ReadDir(item); // non-recursive
    while (!folderEnum.complete) {
        var folderItem = folderEnum.Next();
        if (folderItem.metadata == 'audio') {
            // scriptColData.value = folderItem.metadata.audio.mp3albumartist;
            // scriptColData.value = folderItem.metadata.audio.mp3year;
            scriptColData.value = folderItem.metadata.audio.mp3artist;
            break;
        }
    }
    folderEnum.Close();
}