I got this to work with this included in an iteration.
Current_File = path || final_files[i],
Creation_Date = Format( Creation Date(Current_file), "ddmonyyyy:h:m:s");
Modification_Date = Format( Last Modification Date(Current_file), "ddmonyyyy:h:m:s");
dt << New Column("Creation Date", Character, "Nominal", Formula(Eval(Creation_Date)));
dt << New Column("Modification Date", Character, "Nominal", Formula(Eval(Modification_Date)));
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