You can edit the configuration for a REST service or a reference that was created from scratch without a Swagger file. You cannot edit the configuration for a service or reference that was created using a Swagger file.

1. Click the service or reference in the Process Editor.
2. In the General tab of the Properties view, click the link for the service or reference binding.
3. In the Components properties, click the Bindings tab.
4. Click an operation under Operations in the RestService or RestReference tree to edit the configuration of the operation.
   The Summary page for that operation opens on the right. To edit the request, response or response status for the operation, click the respective tabs.