Album Messages

Using sendMediaGroup method you can send a group of photos, videos, documents or audios as an album. Documents and audio files can be only grouped in an album with messages of the same type.

var messages = await bot.SendMediaGroupAsync(chatId, new IAlbumInputMedia[]
    {
        new InputMediaPhoto("https://cdn.pixabay.com/photo/2017/06/20/19/22/fuchs-2424369_640.jpg"),
        new InputMediaPhoto("https://cdn.pixabay.com/photo/2017/04/11/21/34/giraffe-2222908_640.jpg"),
    });