    URL    = "https://b24-ar17wx.bitrix24.by/rest/1/h0m...";
    ChatID = "3516";

    OPI_TypeConversion.GetLine(ChatID);

    ChatString = "chat" + ChatID;
    Text       = "Message text";
    Image      = "https://raw.githubusercontent.com/Bayselonarrend/OpenIntegrations/main/service/test_data/picture.jpg";
    File       = "https://github.com/Bayselonarrend/OpenIntegrations/raw/main/service/test_data/document.docx";

    Attachments = New Array;
    Attachments.Add(OPI_Bitrix24.GetPictureBlock("Image1"  , Image));
    Attachments.Add(OPI_Bitrix24.GetFileBlock("File1.docx" , File));

    Result = OPI_Bitrix24.SendMessage(URL, ChatString, Text, Attachments);

    URL    = "b24-ar17wx.bitrix24.by";
    Token  = "6ad03969006e9f06006b12e400000001000...";
    UserID = 10;

    Result = OPI_Bitrix24.SendMessage(URL, UserID, Text, , Token);
