    URL       = "https://b24-ar17wx.bitrix24.by/rest/1/av5...";
    TaskID    = "8718";
    ElementID = "6160";

    Text = "New elements text";

    Result = OPI_Bitrix24.UpdateTasksChecklistElement(URL, TaskID, ElementID, Text);

    URL       = "b24-ar17wx.bitrix24.by";
    Token     = "a5b00469006e9f06006b12e400000001000...";
    TaskID    = "8720";
    ElementID = "6164";

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