diff --git a/Toolkit.Avalonia/ClassicDesktopStyleApplicationHandler.cs b/Toolkit.Avalonia/ClassicDesktopStyleApplicationHandler.cs
index 74068fe..a2bd6d4 100644
--- a/Toolkit.Avalonia/ClassicDesktopStyleApplicationHandler.cs
+++ b/Toolkit.Avalonia/ClassicDesktopStyleApplicationHandler.cs
@@ -6,7 +6,7 @@ using Toolkit.Foundation;
 namespace Toolkit.Avalonia;
 
 public class ClassicDesktopStyleApplicationHandler :
-    INavigateHandler<IClassicDesktopStyleApplicationLifetime>
+    INotificationHandler<NavigateEventArgs<IClassicDesktopStyleApplicationLifetime>>
 {
     public Task Handle(NavigateEventArgs<IClassicDesktopStyleApplicationLifetime> args)
     {
diff --git a/Toolkit.Avalonia/ContentControlHandler.cs b/Toolkit.Avalonia/ContentControlHandler.cs
index a71c8d0..b14046f 100644
--- a/Toolkit.Avalonia/ContentControlHandler.cs
+++ b/Toolkit.Avalonia/ContentControlHandler.cs
@@ -5,7 +5,7 @@ using Toolkit.Foundation;
 namespace Toolkit.Avalonia;
 
 public class ContentControlHandler :
-    INavigateHandler<ContentControl>
+    INotificationHandler<NavigateEventArgs<ContentControl>>
 {
     public async Task Handle(NavigateEventArgs<ContentControl> args)
     {
@@ -19,11 +19,6 @@ public class ContentControlHandler :
                     control.Loaded -= HandleLoaded;
                     if (control.DataContext is object content)
                     {
-                        if (content is IInitialization initializer)
-                        {
-                            await initializer.Initialize();
-                        }
-
                         if (content is IActivated activated)
                         {
                             await activated.OnActivated();
diff --git a/Toolkit.Avalonia/ContentDialogHandler.cs b/Toolkit.Avalonia/ContentDialogHandler.cs
index 7529e80..da049b5 100644
--- a/Toolkit.Avalonia/ContentDialogHandler.cs
+++ b/Toolkit.Avalonia/ContentDialogHandler.cs
@@ -5,7 +5,7 @@ using Toolkit.UI.Controls.Avalonia;
 namespace Toolkit.Avalonia;
 
 public class ContentDialogHandler(IDispatcher dispatcher) :
-    INavigateHandler<ContentDialog>
+    INotificationHandler<NavigateEventArgs<ContentDialog>>
 {
     public async Task Handle(NavigateEventArgs<ContentDialog> args)
     {
diff --git a/Toolkit.Avalonia/FrameHandler.cs b/Toolkit.Avalonia/FrameHandler.cs
index 273f861..d8d32ce 100644
--- a/Toolkit.Avalonia/FrameHandler.cs
+++ b/Toolkit.Avalonia/FrameHandler.cs
@@ -8,8 +8,8 @@ using Toolkit.UI.Controls.Avalonia;
 namespace Toolkit.Avalonia;
 
 public class FrameHandler :
-    INavigateHandler<Frame>,
-    INavigateBackHandler<Frame>
+    INotificationHandler<NavigateEventArgs<Frame>>,
+    INotificationHandler<NavigateBackEventArgs<Frame>>
 {
     public Task Handle(NavigateEventArgs<Frame> args)
     {
diff --git a/Toolkit.Avalonia/SingleViewApplicationHandler.cs b/Toolkit.Avalonia/SingleViewApplicationHandler.cs
index 45825a7..0156dcf 100644
--- a/Toolkit.Avalonia/SingleViewApplicationHandler.cs
+++ b/Toolkit.Avalonia/SingleViewApplicationHandler.cs
@@ -6,7 +6,7 @@ using Toolkit.Foundation;
 namespace Toolkit.Avalonia;
 
 public class SingleViewApplicationHandler :
-    INavigateHandler<ISingleViewApplicationLifetime>
+    INotificationHandler<NavigateEventArgs<ISingleViewApplicationLifetime>>
 {
     public Task Handle(NavigateEventArgs<ISingleViewApplicationLifetime> args)
     {
diff --git a/Toolkit.Foundation/ContentFactory.cs b/Toolkit.Foundation/ContentFactory.cs
index 6c4b35a..f4359ae 100644
--- a/Toolkit.Foundation/ContentFactory.cs
+++ b/Toolkit.Foundation/ContentFactory.cs
@@ -25,7 +25,13 @@ public class ContentFactory(IMediator mediator,
                         initialization.Initialize();
                     }
                 }, parameters)
-                : provider.GetRequiredKeyedService(descriptor.ContentType, descriptor.Key);
+                : provider.GetRequiredKeyedService(descriptor.ContentType, args =>
+                {
+                    if (args is IInitialization initialization)
+                    {
+                        initialization.Initialize();
+                    }
+                }, descriptor.Key);
 
         return content;
     }
diff --git a/Toolkit.Foundation/INavigateBackHandler.cs b/Toolkit.Foundation/INavigateBackHandler.cs
deleted file mode 100644
index db65a69..0000000
--- a/Toolkit.Foundation/INavigateBackHandler.cs
+++ /dev/null
@@ -1,5 +0,0 @@
-namespace Toolkit.Foundation;
-
-public interface INavigateBackHandler<TNavigation> :
-    INotificationHandler<NavigateBackEventArgs<TNavigation>>,
-    INavigateHandler;
\ No newline at end of file
diff --git a/Toolkit.Foundation/INavigateHandler.cs b/Toolkit.Foundation/INavigateHandler.cs
deleted file mode 100644
index b6c5ee6..0000000
--- a/Toolkit.Foundation/INavigateHandler.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace Toolkit.Foundation;
-
-public interface INavigateHandler;
-
-public interface INavigateHandler<TNavigation> :
-    INotificationHandler<NavigateEventArgs<TNavigation>>,
-    INavigateHandler;
\ No newline at end of file
diff --git a/Toolkit.Foundation/IServiceProviderExtensions.cs b/Toolkit.Foundation/IServiceProviderExtensions.cs
new file mode 100644
index 0000000..b32a901
--- /dev/null
+++ b/Toolkit.Foundation/IServiceProviderExtensions.cs
@@ -0,0 +1,17 @@
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Toolkit.Foundation;
+
+public static class IServiceProviderExtensions
+{
+    public static object GetRequiredKeyedService(this IServiceProvider provider, 
+        Type serviceType, 
+        Action<object> serviceDelegate, 
+        object? serviceKey)
+    {
+        object service = provider.GetRequiredKeyedService(serviceType, serviceKey);
+        serviceDelegate.Invoke(service);
+
+        return service;
+    }
+}
diff --git a/Toolkit.Foundation/NavigationScope.cs b/Toolkit.Foundation/NavigationScope.cs
index c124928..31c173d 100644
--- a/Toolkit.Foundation/NavigationScope.cs
+++ b/Toolkit.Foundation/NavigationScope.cs
@@ -96,7 +96,7 @@ public class NavigationScope(IServiceProvider provider,
             Type navigateType = typeof(NavigateBackEventArgs<>).MakeGenericType(navigationType);
             if (Activator.CreateInstance(navigateType, [region]) is object navigate)
             {
-                publisher.Publish(navigate);
+                publisher.Publish(navigate, navigationType.Name);
             }
         }
     }
diff --git a/Toolkit.Foundation/ObservableCollection.cs b/Toolkit.Foundation/ObservableCollection.cs
index 38e959a..95283d6 100644
--- a/Toolkit.Foundation/ObservableCollection.cs
+++ b/Toolkit.Foundation/ObservableCollection.cs
@@ -403,7 +403,7 @@ public partial class ObservableCollection<TItem> :
         IsCompatibleObject(value) ?
         IndexOf((TItem)value!) : -1;
 
-    public Task Initialize()
+    public virtual Task Initialize()
     {
         if (Initialized)
         {