Is it necessary to pass RETURN parameter in bapi function module

Hai All,
            Is it necessary to pass structure to RETURN parameter in bapi_transaction_rollback function module. If it is not necessary then how can it gives return value. Please give me the answer for this one. some sample code below...
CALL FUNCTION 'BAPI_TRANSACTION_ROLLBACK'
IMPORTING
   RETURN        = i_return.
        LOOP AT i_return into wa_return WHERE type EQ c_error.
          wa1_out-postdoc = wa_return-message.
        ENDLOOP.
Thanks & Regards.
Laxman.P

hi
bapi should never throw an error as it might be called for mass data proceessing
and it is prefferred not to hault the proceess bcoz of one or two errors.
that's why the error or success messages are caught and returned in return table.
in bapi_transaction_rollback the return parameter is not necessary as it will work without that as well.
the purpose of rollback bapi is just to undo whatever done before that.
regards
vijay
reward points if helpful
Message was edited by:
vijay sharma

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Edited by: Biswadeep Ghosh on Jun 25, 2008 2:30 PM

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