To enable SAP Gateway to expose the corresponding OData services, you must first register the service implementation and then activate the service.
Runtime registration consists of the following activities:
Creating an object model on the backend.
Creating a service on the backend and assigning the object model to it.
For more information, see Configuration Setting for OData Channel .
You need to perform the following activities:
On the Register Remote Services screen, activate the service by selecting it and choosing Enable Service.
Choose a local package and start the URL in the browser by choosing the Call Browser button.
You can now see the metadata XML file exposed by the generated metadata class.
To display the service you have created, choose the Call SICF button and expand the service tree.