diff --git a/src/System.Management.Automation/engine/Attributes.cs b/src/System.Management.Automation/engine/Attributes.cs
index 44d4fc02bf2..d0ae9f601e9 100644
--- a/src/System.Management.Automation/engine/Attributes.cs
+++ b/src/System.Management.Automation/engine/Attributes.cs
@@ -1468,6 +1468,17 @@ public class ValidateDriveAttribute : ValidateArgumentsAttribute
     {
         private string[] _validRootDrives;
 
+        /// <summary>
+        /// Gets the values in the set
+        /// </summary>
+        public IList<string> ValidRootDrives
+        {
+            get
+            {
+                return _validRootDrives;
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the ValidateDrivePath class
         /// </summary>