User Exit for Cost center in ME21N

Question

Hi,
       I have a requirement to validate the cost center with plant.
       If Plant is 1001 then only the cost centers defined for 1001 should be selected in ME21N while creating PO, if different cost center is selected error message should be shown.
       Please let me know how can i do this? I tried to use user exit MM06E005, but if i keep break point and save the PO, its not stopping in this.

Answer 1

Hello Shilpashree
I assume you want to check at the ITEM level. Then your logic should look like this (method CHECK):
" Determine valid cost centers from plant (at header level?)
lt_items = im_header->get_items( ).
LOOP AT lt_items INTO ls_item.
  lt_accountings = ls_item-item->get_accountings( ).
  LOOP AT lt_accountings INTO ls_acc.
    ls_accounting = ls_acc-accounting->get_data( ).  " TYPE MEPOACCOUNTING
    IF ( ls_accounting-kostl IN lr_kostl.
    ELSE.
      ch_failed = 'X'.
      EXIT.
    ENDIF.
  ENDLOOP.
  IF ( ch_failed = 'X' ).
    EXIT.
  ENDIF.
ENDLOOP.
Regards
  Uwe