Token  = "6129457865:AAFyzNYOAFbu...";
    ChatID = "461699897";
    Text   = "Строковое значение";
    Image  = "https://github.com/Bayselonarrend/OpenIntegrations/raw/main/service/test_data/picture.jpg";
    Video  = "https://github.com/Bayselonarrend/OpenIntegrations/raw/main/service/test_data/video.mp4";

    ImagePath = GetTempFileName("png");
    CopyFile(Image, ImagePath);

    VideoPath = GetTempFileName("mp4");
    CopyFile(Video, VideoPath);

    VideoDD = New BinaryData(VideoPath);

    MediaGroup = New Map;
    MediaGroup.Insert(ImagePath, "photo");
    MediaGroup.Insert(VideoDD  , "video");

    Result = OPI_Telegram.SendMediaGroup(Token, ChatID, Text, MediaGroup);