The "Entry Step" (required), which specifies the protocol of the requests that the connector virtual service will accept, and the HTTP methods that the connector virtual service should be allowed to perform on a REST resource.

The "Routing Rule" step (required), which specifies how the connector virtual service will route the service requests to the native service endpoint.

The "Invoke IS Service" step (optional), which pre-processes the request message before it is submitted to the native service.