Displaying in the report the Text Ids in MM PO document

Hi Friends,

I had a query to pose in front of you.The Text Ids F23 and F16 in the ekko table have to displayed in the report in BI.These Text Ids are not available in any of the communication structures belonging to Purchasing.I would like to enhance the 2LIS_02_ITM datasource with custom fields and populate the values into these fields using Function module.Is there any better method to achieve this i.e to populate the fields and how can we enhance this standard datsource 2Lis_02_itm ;since in rsa6 the datasource is not being allowed to be enhanced.Yours views are highly welcome.

With regards,

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