Name      = "New file name.jpg";
    Filename2 = "New file name 2.jpg";

    FileID2 = FunctionParameters["Bitrix24_HookFileID"];
    URL     = FunctionParameters["Bitrix24_URL"];

    Result = OPI_Bitrix24.RenameFile(URL, FileID2, Filename2);

    FileID = FunctionParameters["Bitrix24_FileID"];
    URL    = FunctionParameters["Bitrix24_Domain"];
    Token  = FunctionParameters["Bitrix24_Token"];

    Result = OPI_Bitrix24.RenameFile(URL, FileID, Name, Token);