Business Process from Backend Script (C#)

Hi Team,

I have to run a business process from C# script. I used below code, unfortunately not wokring

UserConnection userConnection = Get<UserConnection>("UserConnection");
IProcessEngine processEngine = userConnection.ProcessEngine;
IProcessExecutor processExecutor = processEngine.ProcessExecutor;
processExecutor.Execute("UsrProcess2Custom1");
return true;

URL:  Service that runs business processes | Creatio Academy

Help me with invoking Business Process from Server-Side (C#)