How to get the filename when parsing a file with d3l

All
After some time have experience with interconnect, IStudio I need the following info. Is it possible to get the filename when parsing a flat file using a d3l? This is needed because we need to store the filename together with the data into the database.
Any examples or directions to some documents are welcome.
Regards
Olivier De Groef

has anyone some info on this

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