Token = "sl.CCRidcEOx5_Sft41hhKNkIVvFAu8ZT1CoP6wh40MOAccwPZhLOI2YXXzbpEypt0YZf_3ZGYM9H...";
    File  = "kJU6-a-pT48AAAAAAAAABw";

    Result = OPI_Dropbox.CancelFilePublication(Token, File);