partners tab in shipment

Hello Thomas,

Please dont block it.I have done my research and found some answers but I really wanted to know much more than what I found and also I wanted make sure my findings are correct.So is why I posted.

proof:

http://wiki.sdn.sap.com/wiki/display/ERPLO/SD+User+exits

and I checked all the partners user exits in there and I am not sure which one I can use ? so is why I am here asking for help

and this my question:

if anybody done this before could you please help me.

How to copy partners in delivery to partners in shipment?

Thanks in advance