diff --git a/Toolkit.Foundation/ActionableInitialization.cs b/Toolkit.Foundation/ActionableInitialization.cs
new file mode 100644
index 0000000..378ee89
--- /dev/null
+++ b/Toolkit.Foundation/ActionableInitialization.cs
@@ -0,0 +1,7 @@
+namespace Toolkit.Foundation;
+
+public class ActionableInitialization(IServiceProvider provider, 
+    Action<IServiceProvider> delegateAction) : IInitialization
+{
+    public void Initialize() => delegateAction.Invoke(provider);
+}
\ No newline at end of file
diff --git a/Toolkit.Foundation/DefaultHostBuilder.cs b/Toolkit.Foundation/DefaultHostBuilder.cs
index f7d8ce5..58894be 100644
--- a/Toolkit.Foundation/DefaultHostBuilder.cs
+++ b/Toolkit.Foundation/DefaultHostBuilder.cs
@@ -7,56 +7,64 @@ namespace Toolkit.Foundation;
 public class DefaultHostBuilder :
     HostBuilder
 {
-    public static IHostBuilder Create()
+    public static IHostBuilder Create(Action<HostBuilder> builderDelegate)
     {
-        return new HostBuilder()
-            .ConfigureServices((context, services) =>
-            {
-                services.AddScoped<IServiceFactory>(provider =>
-                    new ServiceFactory((type, parameters) => 
-                        ActivatorUtilities.CreateInstance(provider, type,
-                            parameters?.Where(x => x is not null).ToArray()!)));
+        HostBuilder hostBuilder = new();
 
-                services.AddSingleton<IComponentHostCollection,
-                    ComponentHostCollection>();
+        hostBuilder.ConfigureServices((context, services) =>
+        {
+            services.AddScoped<IServiceFactory>(provider =>
+                new ServiceFactory((type, parameters) =>
+                    ActivatorUtilities.CreateInstance(provider, type,
+                        parameters?.Where(x => x is not null).ToArray()!)));
 
-                services.AddSingleton<IDisposer, Disposer>();
-                services.AddSingleton<IMessenger, StrongReferenceMessenger>(_ => StrongReferenceMessenger.Default);
+            services.AddSingleton<IComponentHostCollection,
+                ComponentHostCollection>();
 
+            services.AddSingleton<IDisposer, Disposer>();
+            services.AddSingleton<IMessenger, StrongReferenceMessenger>(_ => StrongReferenceMessenger.Default);
 
-                services.AddTransient<IValidation, Validation>();
-                services.AddTransient<IValidatorCollection, ValidatorCollection>();
+            services.AddTransient<IValidation, Validation>();
+            services.AddTransient<IValidatorCollection, ValidatorCollection>();
 
-                services.AddScoped<IProxyService<IMessenger>>(provider =>
-                    new ProxyService<IMessenger>(provider.GetRequiredService<IMessenger>()));
+            services.AddScoped<IProxyService<IMessenger>>(provider =>
+                new ProxyService<IMessenger>(provider.GetRequiredService<IMessenger>()));
 
-                services.AddScoped<IProxyService<INavigationRegionProvider>>(provider =>
-                    new ProxyService<INavigationRegionProvider>(provider.GetRequiredService<INavigationRegionProvider>()));
+            services.AddScoped<IProxyService<INavigationRegionProvider>>(provider =>
+                new ProxyService<INavigationRegionProvider>(provider.GetRequiredService<INavigationRegionProvider>()));
 
-                services.AddScoped<IProxyService<IComponentHostCollection>>(provider =>
-                    new ProxyService<IComponentHostCollection>(provider.GetRequiredService<IComponentHostCollection>()));
+            services.AddScoped<IProxyService<IComponentHostCollection>>(provider =>
+                new ProxyService<IComponentHostCollection>(provider.GetRequiredService<IComponentHostCollection>()));
 
-                services.AddTransient<IContentFactory, ContentFactory>();
+            services.AddTransient<IContentFactory, ContentFactory>();
 
-                services.AddScoped<INavigationRegionCollection, NavigationRegionCollection>();
-                services.AddTransient<INavigationRegionProvider, NavigationRegionProvider>();
+            services.AddScoped<INavigationRegionCollection, NavigationRegionCollection>();
+            services.AddTransient<INavigationRegionProvider, NavigationRegionProvider>();
 
-                services.AddScoped<INavigation, Navigation>();
+            services.AddScoped<INavigation, Navigation>();
 
-                services.AddSingleton(new NamedComponent("Root"));
-                services.AddScoped<IComponentScopeCollection, ComponentScopeCollection>(provider =>
-                [
-                    new ComponentScopeDescriptor("Root", provider.GetRequiredService<IServiceProvider>())
-                ]);
+            services.AddSingleton(new NamedComponent("Root"));
+            services.AddScoped<IComponentScopeCollection, ComponentScopeCollection>(provider =>
+            [
+                new ComponentScopeDescriptor("Root", provider.GetRequiredService<IServiceProvider>())
+            ]);
 
-                services.AddTransient<IComponentFactory, ComponentFactory>();
-                services.AddTransient<IComponentScopeProvider, ComponentScopeProvider>();
+            services.AddTransient<IComponentFactory, ComponentFactory>();
+            services.AddTransient<IComponentScopeProvider, ComponentScopeProvider>();
 
-                services.AddHandler<NavigateEventArgs, NavigateHandler>();
-                services.AddHandler<NavigateBackEventArgs, NavigateBackHandler>();
+            services.AddHandler<NavigateEventArgs, NavigateHandler>();
+            services.AddHandler<NavigateBackEventArgs, NavigateBackHandler>();
 
-                services.AddInitialization<ComponentInitializer>();
-                services.AddHostedService<AppService>();
-            });
+            services.AddInitialization<ComponentInitializer>();
+        });
+
+        builderDelegate.Invoke(hostBuilder);
+
+        hostBuilder.ConfigureServices((context, services) =>
+        {
+            services.AddHostedService<AppService>();
+        });
+        
+        return hostBuilder;
     }
 }
\ No newline at end of file
diff --git a/Toolkit.Foundation/IServiceCollectionExtensions.cs b/Toolkit.Foundation/IServiceCollectionExtensions.cs
index 50a54e2..9a51f6b 100644
--- a/Toolkit.Foundation/IServiceCollectionExtensions.cs
+++ b/Toolkit.Foundation/IServiceCollectionExtensions.cs
@@ -155,6 +155,13 @@ public static class IServiceCollectionExtensions
         return services;
     }
 
+    public static IServiceCollection AddInitialization(this IServiceCollection services, 
+        Action<IServiceProvider> delegateAction)
+    {
+        services.AddTransient<IInitialization>(provider => new ActionableInitialization(provider, delegateAction));
+        return services;
+    }
+
     public static IServiceCollection AddAsyncPipelineBehavior(this IServiceCollection services,
         Type behaviorType,
         string? key = null)
diff --git a/Toolkit.sln b/Toolkit.sln
index 9dfaaa2..775cb3b 100644
--- a/Toolkit.sln
+++ b/Toolkit.sln
@@ -15,8 +15,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Toolkit.Windows", "Toolkit.
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Toolkit.WinUI", "Toolkit.WinUI\Toolkit.WinUI.csproj", "{D90BFF29-B38C-432E-849A-28C5A88A6DDD}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Toolkit.Test", "Toolkit.Test\Toolkit.Test.csproj", "{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Toolkit.UI.WinUI", "Toolkit.UI.WinUI\Toolkit.UI.WinUI.csproj", "{13C89DC0-5B75-4368-930D-D156B06E3F6A}"
 EndProject
 Global
@@ -101,18 +99,6 @@ Global
 		{D90BFF29-B38C-432E-849A-28C5A88A6DDD}.Release|x64.Build.0 = Release|Any CPU
 		{D90BFF29-B38C-432E-849A-28C5A88A6DDD}.Release|x86.ActiveCfg = Release|Any CPU
 		{D90BFF29-B38C-432E-849A-28C5A88A6DDD}.Release|x86.Build.0 = Release|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Debug|x64.Build.0 = Debug|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Debug|x86.Build.0 = Debug|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Release|Any CPU.Build.0 = Release|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Release|x64.ActiveCfg = Release|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Release|x64.Build.0 = Release|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Release|x86.ActiveCfg = Release|Any CPU
-		{E125F8EF-6B66-400F-9CDE-BC3DB1463F4E}.Release|x86.Build.0 = Release|Any CPU
 		{13C89DC0-5B75-4368-930D-D156B06E3F6A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{13C89DC0-5B75-4368-930D-D156B06E3F6A}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{13C89DC0-5B75-4368-930D-D156B06E3F6A}.Debug|x64.ActiveCfg = Debug|Any CPU