// add json file path var builder = new ConfigurationBuilder () SetBasePath (Directory.GetCurrentDirectory ()) AddJsonFile ( "appsettings.json")..;
// Create the root object disposed
var configurationRoot builder1.Build = ();
// read ioc IOptions <SuperAppsettings> setting dependency injection
services.Configure <SuperAppsettings> (configurationRoot.GetSection ( " super")); // dependency injection