OpenIntegrations/docs/en/examples/Telegram/SendVideo.txt

    Token     = FunctionParameters["Telegram_Token"];
    ChatID    = FunctionParameters["Telegram_ChatID"];
    ChannelID = FunctionParameters["Telegram_ChannelID"];
    Text      = FunctionParameters["String"];
    Video     = FunctionParameters["Video"];

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

    VideoDD = New BinaryData(VideoPath);

    Result = OPI_Telegram.SendVideo(Token, ChatID, Text, Video);

    Result = OPI_Telegram.SendVideo(Token, ChannelID, Text, VideoPath);

    Result = OPI_Telegram.SendVideo(Token, ChannelID, Text, VideoDD);