You can use the IBM® Data Web Service Designer to add one or more operations to an IBM data Web service.
Prerequisite: The Web service to which you want to add the operations must be open in the IBM Data Web Service Designer.
To add an operation to a Web service:
A new row is added to the operations grid.
The Edit Operation window provides syntax highlighting for ease of use.
Developing and Deploying IBM Data Web Services | Changing IBM Data Web Service Operations | Running IBM Data Web Services