Generic delta Extractors

Hi All,

I have a requirement to develop generic DELTA extractors. have extensively created generic ectractors using function module RSAX_BIW_GET_DATA_SIMPLE.

Can you please let me know how to create generic delta extractors with Steps.

Also How the tabel ROOSGENDLM us used in generic extractors..

Point will be assigned to useful answers..

Regards,

Bill