‍/HelloWorldProcess.cs

using PipServices3.Container;
using PipServices3.Rpc.Build; 

namespace HelloWorld {

    public class HelloWorldProcess : ProcessContainer {    

        public HelloWorldProcess(): base("hello_world", "Hello world microservice") {            
            _configPath = "config.yaml";             
            _factories.Add(new DefaultRpcFactory());            
            _factories.Add(new HelloWorldServiceFactory());        
        }   

    }
}