property Filename
as %String(MAXLEN=1000,MINLEN=1) [ InitialExpression = "%f_%Q",Required ];
Name of file to output the document(s) to. May include timestamp specifiers. The %f specifier if present will be
replaced with the name of the document's original source stream (stripped of characters illegal in filenames).
See the method Ens.Util.File:CreateTimestamp() for documentation of timestamping options.