    URL        = "https://b24-ar17wx.bitrix24.by/rest/1/av5...";
    CalendarID = "1648";
    OwnerID    = 1;
    Type       = "user";

    Result = OPI_Bitrix24.DeleteCalendar(URL, CalendarID, OwnerID, Type);

    URL        = "b24-ar17wx.bitrix24.by";
    Token      = "a5b00469006e9f06006b12e400000001000...";
    CalendarID = "1650";

    Result = OPI_Bitrix24.DeleteCalendar(URL, CalendarID, OwnerID, Type, Token);