// Full filter structure you can find at GetTasksFilterStructure method
    Filter = New Structure;
    Filter.Insert("CREATED_BY" , 1);
    Filter.Insert("RESPONSIBLE_ID", 10);

    Indent = 1;
    URL    = "https://b24-ar17wx.bitrix24.by/rest/1/1o2...";

    Result = OPI_Bitrix24.GetTasksList(URL, Filter);

    URL   = "b24-ar17wx.bitrix24.by";
    Token = "ec4dc366006e9f06006b12e400000001000...";

    Result = OPI_Bitrix24.GetTasksList(URL, , Indent, Token);