    URL    = "https://b24-ar17wx.bitrix24.by/rest/1/av5...";
    TaskID = "8718";

    Text = "Checklist element";

    Result = OPI_Bitrix24.AddTasksChecklistElement(URL, TaskID, Text, True);

    URL    = "b24-ar17wx.bitrix24.by";
    Token  = "a5b00469006e9f06006b12e400000001000...";
    TaskID = "8720";

    Result = OPI_Bitrix24.AddTasksChecklistElement(URL, TaskID, Text, , Token);