How to define RFC parameters

Hi Experts,
i am using a RFC FM to from SRM system to ERP system. in ERP system the RFC FM parameters refer to some structures or tables which are not in SRM system.
but i should transfer these parameters in SRM system to call this RFC.
can anyone tell me how to define the parameters in SRM system?

Hello,
I also had to work with RFC to call SRM function module from an ECC system. I recommend you very strongly to create your own RFC function module in SRM and your own DDIC structures in both systems with just the fields you need. This custom SRM RFC function module, map the parameters to the standard 100+ field DDIC structure and call the SRM function module (not using RFC at this time of course).
Why did I say "very strongly" : DO NOT duplicate the 100+ field DDIC structure from SRM to your RFC client system (by transport or manual copy), because some support packages add fields to some include structures of the complex structure, and they are inserted somewhere in the middle, and so it probably makes obsolete your duplicated DDIC structure.
Hope it's clear
sandra

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