Accounts receivable/payable DM from SAP ECC to SAP BODS

Hi All,

I have a task on my desk which is i need to migrate Accounts payable/receivable data from SAP ECC using SAP BODS. but this is the first time i am working on SAP ECC, can anyone guide me how to start, where to start..or please share me any document available to do migration for this.

Thanks

PrasannaKumar.