Learning > Write A Web Service Edit this page Write A Web Service A Web Service is backend code. See how to write backend code. To develop a Web Service, you will also: Write a simple Web server Package and deploy to the Web Note that a service typically does not open an iModel on its own initiative. Instead, normally, a client of the service will ask the service to open an iModel, and then the client will pass the resulting IModelRpcProps to methods of the service. The service should therefore always initialize the IModelReadRpcInterface. Last Updated: 16 June, 2021