diff --git a/SharpRepository.Samples.CoreMvc/Controllers/ContactsController.cs b/SharpRepository.Samples.CoreMvc/Controllers/ContactsController.cs
index 3870294d..d4223ba1 100644
--- a/SharpRepository.Samples.CoreMvc/Controllers/ContactsController.cs
+++ b/SharpRepository.Samples.CoreMvc/Controllers/ContactsController.cs
@@ -6,6 +6,7 @@
 using Microsoft.AspNetCore.Mvc;
 using SharpRepository.Repository;
 using SharpRepository.CoreMvc.Models;
+using SharpRepository.Samples.CoreMvc;
 
 namespace SharpRepository.CoreMvc.Controllers
 {
@@ -13,9 +14,9 @@ public class ContactsController : Controller
     {
         protected IRepository<Contact, string> repository;
 
-        public ContactsController(IRepository<Contact, string> repository)
+        public ContactsController(IUserServiceCustom service)
         {
-            this.repository = repository;
+            this.repository = service.GetRepository();
         }
 
         // GET: Contacts
diff --git a/SharpRepository.Samples.CoreMvc/Startup.cs b/SharpRepository.Samples.CoreMvc/Startup.cs
index e2c4da2d..c0200e01 100644
--- a/SharpRepository.Samples.CoreMvc/Startup.cs
+++ b/SharpRepository.Samples.CoreMvc/Startup.cs
@@ -9,6 +9,7 @@
 using System;
 using MongoDB.Bson.Serialization;
 using SharpRepository.CoreMvc.Models;
+using SharpRepository.Samples.CoreMvc;
 
 namespace SharpRepository.CoreMvc
 {
@@ -32,6 +33,12 @@ public IServiceProvider ConfigureServices(IServiceCollection services)
 
             services.AddTransient<EmailRepository>(r => new EmailRepository(RepositoryFactory.BuildSharpRepositoryConfiguation(Configuration.GetSection("sharpRepository")), "efCore"));
 
+            services.AddTransient<IUserService, UserService>();
+            services.AddTransient<IUserServiceCustom, UserServiceCustom>();
+            services.AddTransient<UserRepository>(
+            r => new UserRepository(
+                RepositoryFactory.BuildSharpRepositoryConfiguation(Configuration.GetSection("sharpRepository")), "efCore"
+            ));
             // return services.UseSharpRepository(Configuration.GetSection("sharpRepository")); //default InMemory
             // return services.UseSharpRepository(Configuration.GetSection("sharpRepository"), "mongoDb"); // for Mongo Db
             return services.UseSharpRepository(Configuration.GetSection("sharpRepository"), "efCore"); // for Ef Core
diff --git a/SharpRepository.Samples.CoreMvc/UserService.cs b/SharpRepository.Samples.CoreMvc/UserService.cs
new file mode 100644
index 00000000..25f583fa
--- /dev/null
+++ b/SharpRepository.Samples.CoreMvc/UserService.cs
@@ -0,0 +1,52 @@
+using Microsoft.Extensions.Logging;
+using SharpRepository.CoreMvc.Models;
+using SharpRepository.Repository;
+using SharpRepository.Repository.Configuration;
+
+namespace SharpRepository.Samples.CoreMvc
+{
+    public class UserRepository : ConfigurationBasedRepository<Contact, string>
+    {
+        public UserRepository(ISharpRepositoryConfiguration configuration, string repositoryName = null) : base(configuration, repositoryName) { }
+    }
+
+    public class UserService : IUserService
+    {
+        protected IRepository<Contact, string> _userRepository;
+
+        public UserService(IRepository<Contact, string> userRepository)
+        {
+            _userRepository = userRepository;
+        }
+
+        public IRepository<Contact, string> GetRepository()
+        {
+            return _userRepository;
+        }
+    }
+
+    public interface IUserService
+    {
+        IRepository<Contact, string> GetRepository();
+    }
+
+    public class UserServiceCustom : IUserServiceCustom
+    {
+        public UserRepository _userRepository;
+
+        public UserServiceCustom(UserRepository userRepository)
+        {
+            _userRepository = userRepository;
+        }
+
+        public IRepository<Contact, string> GetRepository()
+        {
+            return _userRepository;
+        }
+    }
+
+    public interface IUserServiceCustom
+    {
+        IRepository<Contact, string> GetRepository();
+    }
+}