OpenIntegrations/docs/en/examples/VKTeams/SendFile.txt

    Token  = FunctionParameters["VkTeams_Token"];
    ChatID = FunctionParameters["VkTeams_ChatID"];
    Text   = "File caption";

    File     = FunctionParameters["Document"]; // URL
    FilePath = GetTempFileName("docx"); // Path

    CopyFile(File, FilePath);

    FileBD = New BinaryData(FilePath); // Binary

    Result = OPI_VKTeams.SendFile(Token, ChatID, File);

    Result = OPI_VKTeams.SendFile(Token, ChatID, FilePath, Text);

    Result = OPI_VKTeams.SendFile(Token, ChatID, FileBD, Text, "ImportantDocument.docx");