bapi structure

hi all ,

1. I have to change bapi structure for bapi BAPI_PRODORDCONF_CREATE_TT . or how i can create structure for bapi name starting with 'BAPI' , becuase it asking for access key .

2. The bapi BAPI_PRODORDCONF_CREATE_TT has FUCNTION moudle

MAP2I_PP_TIMETICKET_TO_AFRUD which is gentred automaticlly. how it is possibe to generate this F.M

Thanks,

Sridhar