The web services Output transformation, the Fault transformation, and the Web Service Consumer transformation contain a user interface that you use to configure the SOAP message.
To configure a transformation to generate a SOAP message, create input ports in a structure similar to the SOAP message hierarchy. The WSDL or schema determines the structure of the hierarchy. Map each input port to a node in the SOAP message.
The following figure shows a mapping between the input ports and the SOAP message nodes in a web service Output transformation: