Need to add extra field in BEX report

Hi Experts ,

I have a problem in bex report.

scenario is like this--

APD will generate the BPS Daily report on Branch, Group, Area, Region and total company levels and then exports into a flat files stored in appserver

and i got the requirement to change the layout of the report. The client wants to need the one field extra ie. 'REPORTS RUN DATE '

and i am stuck here how to add this field in my report ..

Please help me ASAP.

Thanks a lot in advance

Saurabh