OfferID in WPUUMS

Dear All,

I am very new to SAP POSDM.

Could you please let me know if we can send OFFERID data to ecc ?

We have OFFERID in standard segment /POSDW/E1BPLINEITEMDISCOUNT  .

How can we pass the value to ECC through WPUUMS Idoc ?

Thanks,

Balaram