diff --git a/FixtureAlpha_oM/Objects.cs b/FixtureAlpha_oM/Objects.cs
index 6002253..b189ca7 100644
--- a/FixtureAlpha_oM/Objects.cs
+++ b/FixtureAlpha_oM/Objects.cs
@@ -60,6 +60,9 @@ public class Beam : BHoMObject
         public virtual PointLike Start { get; set; } = null;
         public virtual long Count { get; set; } = 3;
         public virtual float Small { get; set; } = 0.5f;
+
+        [Description("Name of the material.")]
+        public virtual string Material { get; set; } = "Steel";
     }
 
     public class Collections : BHoMObject