diff --git a/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControl.cs b/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControl.cs
index 5e46f17f..1ca53f67 100644
--- a/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControl.cs
+++ b/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControl.cs
@@ -64,7 +64,7 @@ namespace PepperDash.Essentials.Core.DeviceTypeInterfaces
     /// <summary>
     /// Describes a MobileControl Room Bridge
     /// </summary>
-    public interface IMobileControlRoomBridge : IKeyed
+    public interface IMobileControlRoomMessenger : IKeyed
     {
         event EventHandler<EventArgs> UserCodeChanged;
 
@@ -85,5 +85,7 @@ namespace PepperDash.Essentials.Core.DeviceTypeInterfaces
         string RoomName { get; }
 
         string AppUrl { get; }
+
+        void UpdateAppUrl(string url);
     }
 }
\ No newline at end of file
diff --git a/src/PepperDash.Essentials.Core/Room/EssentialsRoomBase.cs b/src/PepperDash.Essentials.Core/Room/EssentialsRoomBase.cs
index abfc34b8..d3b78112 100644
--- a/src/PepperDash.Essentials.Core/Room/EssentialsRoomBase.cs
+++ b/src/PepperDash.Essentials.Core/Room/EssentialsRoomBase.cs
@@ -58,7 +58,7 @@ namespace PepperDash.Essentials.Core
         /// <summary>
         /// The bridge for this room if Mobile Control is enabled
         /// </summary>
-        public IMobileControlRoomBridge MobileControlRoomBridge { get; private set; }
+        public IMobileControlRoomMessenger MobileControlRoomBridge { get; private set; }
 
         /// <summary>
         /// The config name of the source list
@@ -209,7 +209,7 @@ namespace PepperDash.Essentials.Core
             }
             else
             {
-                MobileControlRoomBridge = mcBridge as IMobileControlRoomBridge;
+                MobileControlRoomBridge = mcBridge as IMobileControlRoomMessenger;
                 Debug.Console(1, this, "*********************Mobile Control Bridge found and enabled for this room");
                 IsMobileControlEnabled = true;
             }
diff --git a/src/PepperDash.Essentials.Core/Room/IEssentialsRoom.cs b/src/PepperDash.Essentials.Core/Room/IEssentialsRoom.cs
index 9a70f980..d14a46be 100644
--- a/src/PepperDash.Essentials.Core/Room/IEssentialsRoom.cs
+++ b/src/PepperDash.Essentials.Core/Room/IEssentialsRoom.cs
@@ -23,7 +23,7 @@ namespace PepperDash.Essentials.Core
         BoolFeedback IsCoolingDownFeedback { get; }        
 
         bool IsMobileControlEnabled { get; }
-        IMobileControlRoomBridge MobileControlRoomBridge { get; }
+        IMobileControlRoomMessenger MobileControlRoomBridge { get; }
 
         string SourceListKey { get; }