The figure shows a screenshot of the Create Copy Operation dialog.

On the From side, the Type field is set to "Variable". It shows the following tree hierarchy:

The XPath field is set to "/ns4:OrderSequenceOutputCollection/ns4:OrderSequenceOutput/ns4:order_seq_id_gen.nextval".

 

On the To side, the Type field is set to "Variable". It shows the following tree hierarchy:

[There are other items, but they are not visible in the screenshot.]

The XPath field is set to "/client:SOAOrderBookingProcessRequest/ns1:PurchaseOrder/ns1:ID".