URL    = FunctionParameters["Bitrix24_URL"];
    TaskID = FunctionParameters["Bitrix24_HookTaskID"];
    FileID = FunctionParameters["Bitrix24_TaskFileID"];

    Result = OPI_Bitrix24.AttachFileToTopic(URL, TaskID, FileID);

    OPI_TestDataRetrieval.WriteLog(Result, "AttachFileToTopic (wh)", "Bitrix24");

    URL    = FunctionParameters["Bitrix24_Domain"];
    Token  = FunctionParameters["Bitrix24_Token"];
    TaskID = FunctionParameters["Bitrix24_TaskID"];

    Result = OPI_Bitrix24.AttachFileToTopic(URL, TaskID, FileID, Token);