Arcitura Education Exam S90.05 Topic 2 Question 48 Discussion

The technical architecture department contacts you to tell you that all existing WSDL definitions need to be modified to add an additional concrete description in order to bind the service to a new version of SOAP. You begin with the WSDL definition for the Notification service, as shown here:

Given the fact that this WSDL definition has only one "operation" element, which new elements will need to be added in order to add the concrete description described above?