Fill extension1 User-Exit LACC4F10

Question

Hi dear friends,
I'm having a lot of trouble activating ACBAPI01 user-exit.
When calling user-exit in LACC4F10 there is the following code:
check not t_extension[] is initial.
read table it_acchd index 1.
  call customer-function '001'
       tables
            t_accit       = it_accit
            extension     = t_extension
            return        = lt_return
            t_accwt       = it_accwt
       changing
            t_acchd       = it_acchd.
I don't know how or where to fill t_extension, i tried to apply Note 419666, which basically coments that line:
CHECK NOT t_extension[] IS INITIAL    note 419666.
but that note can't be implemented anymore, i don't know what else to do. I search every note and forum but still can't figure out how to fill that structure. With that condition i can never get into zxaccu15.
Please i request your help.
Would be very grateful,
Daniel Sinani

Answer 1

Hi Daniel,
Basically this t_extension is related to BAPI  'BAPI_ACC_GL_POSTING_POST'. If there are any user defined fields to be populated then the extension1 table is filled in bapi which comes as T_EXTENSION in your exit. If there is nothing then user exit is not at all invoked.
But i want to know how you reached to this point of user-exit.
I mean why are you using this user exit.
One crude way of breaking this problem is (only if the above mentioned BAPI is executed), fill extension 1 table with some data at least one line. Then the CHECK condition in the include gets satisfied and you will reach user exit.
Regards,
Ramesh.