Token = "sl.B9sYGdZdLILSnqlGZCwLFCstq1B1GsgevbBkwi4UK_UlNyhGAoJ1fKoXMy3dQhkEb3e80HTL6g...";
    File  = "kJU6-a-pT48AAAAAAAAABw";

    Result = OPI_Dropbox.CancelFilePublication(Token, File);