Hi
Just wonder whether you have any luck in this... I originally thought that I could copy\extend the object using SWo1 so as to create new method. But when I drill down further, I didn't see any type of underlying ABAP program\code under any of this methods for BPR_SLSORD.
Real head scratcher for me, I am more use of dealing with object such as BUS2032 (Sales Order) that have actual code and hence could be extended as need..
Cheers
Damean