Note: Please use beas service layer for creating GoodsReceipt if possible.
Follow example create a receipt and write a text in user defined field "u_test2"
//Create goods receipt with UserFields
declare di_doc=ue_api_sbo
di_doc.getbusinessobject=59
di_doc.lines=itemcode=RM
di_doc.lines=quantity=1
di_doc.lines=userfield=U_test2=N
di_doc.add
if <di_doc.ret_code> = -1 then
return failure
end if
messagebox=info$document created: <di_get.getnewobjectkey>
destroy=di_doc