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

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

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

    ImageDD = New BinaryData(ImagePath);

    Result = OPI_Telegram.SendImage(Token, ChatID, Text, Image);

    Result = OPI_Telegram.SendImage(Token, ChannelID, Text, ImagePath);

    Result = OPI_Telegram.SendImage(Token, ChannelID, Text, ImageDD);