User Exit for me54n on purchase Requisition Release i.e EXIT_SAPLMEREQ_05

Question

HI   All Experts ,
                      I have one Requirement that  , i want to insert  data in Ztable  using all details from header data in me54n  on purchase release i.e When i will Click on Purchase release Requisition i want to insert records using few fields such as , matnr ,menge , item, quantity ,requisioner,plant storage locaton , date etc  . i am using user exit on this i.e smod EXIT_SAPLMEREQ_005 in mereq001  which is called when clicked on purchase requisition release , now how to collect that details  in this user exit .
need some help regarding this .
Thanks And Regards
Deepak Dhamat

Answer 1

Dear Peter ,
               yes you are correct that ebeln is part of structure MEREQ_ITEM but  it is always empty .i want Purchase Requisition no i.e     PR. Manual           2000009940  which is present in me54n first line of screen  i.e above the header note .
after looking at the property  of that field it show as given
  below
  Struct.          MEREQ_TOPLINE               
  Field name       BANFN_EXT                   
  Data element     BANFN                       
  DE supplement    0                           
  Parameter ID     BAN                                                                               
Screen field     MEREQ_TOPLINE-BANFN_EXT     
  Program name     SAPLMEGUI                   
  Screen no.       0014