BADI/EXIT for MIGO for accounting document posting

Question

Hi
I am using MIGO where SAP post Mat Document and Accountying document.
This Uses FM  'MB_POST_GOODS_MOVEMENT  < Include LMIGOKG1>, once this FM executed both MKPF and BKPF data gets filled . I can see tha data for MKPF in debug but I am not able to see data for Accounting Document.Even I cant see the Acc. document no assigned by SAP
I need to change some fieds for Acc. Document <BSEG-VBUND>
Can any one help me to find in which structure or table I can get data for Accounting document

Answer 1

am using the method POST_DOCUMENT,
am writing the code like..
sample code..
DATA: wa_mseg type mseg,
wa_mch1 type mch1,
wa_ausp type ausp.
loop at it_mseg into wa_mseg.
*select single * from mch1 into wa_mch1 where matnr = wa_mseg-matnr*
                                                           and charg = wa_mseg-charg.
if sy-subrc is initial.
*select * from ausp into wa_ausp where objek = wa_mch1-cuonj_bm*
                                               and klart = '023'.
if sy-subrc is initial.
if wa_ausp-atwrt EQ 'ACCEPTED'.
continue.
else.
if wa_ausp-atwrt EQ 'REJECTED'.
call function 'popup_to_display_text'.
endif.
endif.
endif.
endif.
endloop.
when i debug ,i find no data in the mch1 table ..
any help..
thanx