URL    = FunctionParameters["Bitrix24_URL"];
    ChatID = FunctionParameters["Bitrix24_HookChatID"];

    UserIDs = New Array;
    UserIDs.Add(10);
    UserIDs.Add(12);

    Result = OPI_Bitrix24.AddUsersToChat(URL, ChatID, UserIDs);

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

    URL    = FunctionParameters["Bitrix24_Domain"];
    Token  = FunctionParameters["Bitrix24_Token"];
    ChatID = FunctionParameters["Bitrix24_ChatID"];
    UserID = 10;

    Result = OPI_Bitrix24.AddUsersToChat(URL, ChatID, UserID, True, Token);