diff --git a/src/Backend.cs b/src/Backend.cs
index 92a18b6..0773b68 100644
--- a/src/Backend.cs
+++ b/src/Backend.cs
@@ -22,6 +22,9 @@ namespace WorldOfPeacecraft
 		private bool initialized = false;
 		private Pathwalker Pathwalker = new Pathwalker();
 
+        public delegate void ChallengeEventHandler(Challenge c);
+        public event ChallengeEventHandler Challenge;
+
 		public Backend (IGui gui)
 		{
 			Gui = gui;
@@ -210,6 +213,11 @@ namespace WorldOfPeacecraft
 			InitializedEvent.WaitOne();
 			initialized = true;
 		}
+
+        public void ChallengeIncome(Challenge c)
+        {
+            Challenge(c);
+        }
 	}
 }
 
diff --git a/src/Parser.cs b/src/Parser.cs
index 70e43ae..1b5f65f 100644
--- a/src/Parser.cs
+++ b/src/Parser.cs
@@ -310,6 +310,7 @@ namespace WorldOfPeacecraft
             }
             bool accepted = challengeBlock.GetBoolValue("accepted");
             Challenge c = new Challenge(id, type, accepted);
+            Backend.ChallengeIncome(c);
 		}
  
 		private void ProcessPlayerSelf (Block playerBlock)