The figure shows a screenshot of the Assign dialog. The Copy Operation tab is selected. It shows one append operation:
The append operation has the following values:
From: XML Fragment: "<ns1:ShipTo xmlns:ns1="http://ww...". [the rest of the expression is not visible in the screenshot]
To: Variable: "inputVariable/payload//client:SOAOr...". [the rest of the expression is not visible in the screenshot]