diff --git a/src/libraries/Microsoft.PowerFx.LanguageServerProtocol/Protocol/CustomNL2FxParams.cs b/src/libraries/Microsoft.PowerFx.LanguageServerProtocol/Protocol/CustomNL2FxParams.cs
index bb9ee7be67..2f7bc7923e 100644
--- a/src/libraries/Microsoft.PowerFx.LanguageServerProtocol/Protocol/CustomNL2FxParams.cs
+++ b/src/libraries/Microsoft.PowerFx.LanguageServerProtocol/Protocol/CustomNL2FxParams.cs
@@ -21,6 +21,11 @@ public class CustomNL2FxParams : BaseNLParams, IHasTextDocument
         /// Sentence in Natural Language.
         /// </summary>
         public string Sentence { get; set; }
+
+        /// <summary>
+        /// Name of the NL2Fx feature being used.
+        /// </summary>
+        public string FeatureName { get; set; }
     }
 
     /// <summary>