A port type is a collection of operations. Add a port type to a service to hold one or more operations.
Add a port type using one of the following methods:
Add a port type when you define a new service using the New Service Wizard or
Add a port type after the service has been defined using one of these methods:
Double-click on the WSDL file to open in the Service Editor or right-click and open with the selected editor.
Using the Service Editor in Service Info mode (Service> Show> Service Info), right-click on the WSDL name and select Add Port Type or in WSDL Structure mode (Service>Show>WSDL Structure), right-click on the Port Types folder and select Add Port Type.
The wizard walks you through the process of adding a Port Type.