diff --git a/src/Shiny.Mediator.Prism/IPrismNavigationRequest.cs b/src/Shiny.Mediator.Prism/IPrismNavigationRequest.cs
index 0368d85..a4a9819 100644
--- a/src/Shiny.Mediator.Prism/IPrismNavigationRequest.cs
+++ b/src/Shiny.Mediator.Prism/IPrismNavigationRequest.cs
@@ -1,7 +1,10 @@
 namespace Shiny.Mediator;
 
+// TODO: what about dialogs?
 public interface IPrismNavigationRequest : IRequest
 {
+    // contract can choose to open these up
+    string? PrependedNavigationUri { get; }
     string PageUri { get; }
     string? NavigationParameterName { get; }
     bool? IsAnimated { get; }  
diff --git a/src/Shiny.Mediator.Prism/Infrastructure/PrismNavigationRequestHandler.cs b/src/Shiny.Mediator.Prism/Infrastructure/PrismNavigationRequestHandler.cs
index 67986bc..e388086 100644
--- a/src/Shiny.Mediator.Prism/Infrastructure/PrismNavigationRequestHandler.cs
+++ b/src/Shiny.Mediator.Prism/Infrastructure/PrismNavigationRequestHandler.cs
@@ -8,7 +8,10 @@ public async Task Handle(TRequest request, CancellationToken cancellationToken)
         var pn = request.NavigationParameterName ?? request.GetType().Name;
         var nav = request.Navigator ?? navigator;
         var tcs = new TaskCompletionSource();
+        
+        var navUri = request.PrependedNavigationUri + request.PageUri;
         var navParams = new NavigationParameters();
+        
         navParams.Add(pn, request);
         
         if (request.IsModal)
@@ -21,7 +24,7 @@ public async Task Handle(TRequest request, CancellationToken cancellationToken)
         {
             try
             {
-                var result = await nav.NavigateAsync(request.PageUri, navParams);
+                var result = await nav.NavigateAsync(navUri, navParams);
                 if (!result.Success)
                     throw new InvalidOperationException("Failed to Navigate", result.Exception);