diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 3f531bee86..6332bebe82 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -376,6 +376,8 @@ namespace OpenSim.Region.Framework.Scenes
         public bool m_dupeInProgress = false;
         internal Dictionary<UUID, string> m_savedScriptState;
 
+        public UUID MonitoringObject { get; set; }
+
         #region Properties
 
         /// <summary>
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 45bdb41ba3..9c673955e1 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -424,6 +424,19 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             return lease;
         }
 
+        protected SceneObjectPart MonitoringObject()
+        {
+            UUID m = m_host.ParentGroup.MonitoringObject;
+            if (m == UUID.Zero)
+                return null;
+
+            SceneObjectPart p = m_ScriptEngine.World.GetSceneObjectPart(m);
+            if (p == null)
+                m_host.ParentGroup.MonitoringObject = UUID.Zero;
+
+            return p;
+        }
+
         protected virtual void ScriptSleep(int delay)
         {
             delay = (int)((float)delay * m_ScriptDelayFactor);