How to get WBS element field data into the XML file for PO print in SAP Public loud

Hi all,

I was trying to make XML for the PO output but one was incapable to find the "WBS Element", besides the aforesaid tract is not disposable successful the information Source and the information root not extendable arsenic well.

However the aforesaid tract is disposable successful GRN XML file. Can anyone suggest maine however to adhd the WBS Element successful the information source/XML record for PO print.

Below is the WBS Element successful GRN XML file. "

"

Awaiting for your suggestions.

Thanks successful advance.