diff --git a/Sdk/FeatureContainer.cs b/Sdk/FeatureContainer.cs
index 4c43989..0ba5884 100644
--- a/Sdk/FeatureContainer.cs
+++ b/Sdk/FeatureContainer.cs
@@ -128,5 +128,10 @@ public static void SetupFeatureClients<TUserDataImplementation>(this IServiceCol
             collection.AddSingleton<IFeatureWorker>(worker);
             collection.AddScoped<FeatureClient>();
         }
+
+        public static bool IsFeatureOn(this FeatureClient instance, string featId)
+        {
+            return instance.GetVariant(featId) == 'B';
+        }
     }
 }