curl -i -X GET "https://api.box.com/2.0/folders/0/items" \
     -H "authorization: Bearer <ACCESS_TOKEN>"

BoxCollection<BoxItem> folderItems = await client.FoldersManager.GetFolderItemsAsync("11111", 100);

BoxFolder folder = new BoxFolder(api, "id");
for (BoxItem.Info itemInfo : folder) {
    if (itemInfo instanceof BoxFile.Info) {
        BoxFile.Info fileInfo = (BoxFile.Info) itemInfo;
        // Do something with the file.
    } else if (itemInfo instanceof BoxFolder.Info) {
        BoxFolder.Info folderInfo = (BoxFolder.Info) itemInfo;
        // Do something with the folder.
    }
}

items = client.folder(folder_id='22222').get_items()
for item in items:
    print(f'{item.type.capitalize()} {item.id} is named "{item.name}"')

client.folders.getItems(
    '12345',
    {
        usemarker: 'false',
        fields: 'name',
        offset: 0,
        limit: 25
    })
    .then(items => {
        /* items -> {
            total_count: 2,
            entries: 
            [ { type: 'folder',
                id: '11111',
                sequence_id: '1',
                etag: '1',
                name: 'Personal Documents' },
                { type: 'file',
                id: '22222',
                sequence_id: '0',
                etag: '0',
                name: 'Q2 Strategy.pptx' } ],
            offset: 0,
            limit: 25,
            order: 
            [ { by: 'type', direction: 'ASC' },
                { by: 'name', direction: 'ASC' } ] }
        */
    });

let iterator = client.folders.listItems(folderId: "22222", sort: .name, direction: .ascending)
iterator.next { results in
    switch results {
    case let .success(page):
        for item in page.entries {
            switch item {
            case let .file(file):
                print("File \(file.name) (ID: \(file.id)) is in the folder")
            case let .folder(folder):
                print("Subfolder \(folder.name) (ID: \(folder.id)) is in the folder")
            case let .webLink(webLink):
                print("Web link \(webLink.name) (ID: \(webLink.id)) is in the folder")
            }
        }

    case let .failure(error):
        print(error)
    }
}