diff --git a/src/Umbraco.Web/Trees/CoreTreeAttribute.cs b/src/Umbraco.Web/Trees/CoreTreeAttribute.cs
index 160f2a36d8..1b485aea6a 100644
--- a/src/Umbraco.Web/Trees/CoreTreeAttribute.cs
+++ b/src/Umbraco.Web/Trees/CoreTreeAttribute.cs
@@ -11,6 +11,11 @@ namespace Umbraco.Web.Trees
     [AttributeUsage(AttributeTargets.Class, AllowMultiple = false)]
     internal class CoreTreeAttribute : Attribute
     {
+        public string TreeGroup { get; set; }
 
+        public CoreTreeAttribute()
+        {
+
+        }
     }
 }