diff --git a/Helpers/XGenericHelper.cs b/Helpers/XGenericHelper.cs
index 030696d..5961031 100644
--- a/Helpers/XGenericHelper.cs
+++ b/Helpers/XGenericHelper.cs
@@ -39,6 +39,39 @@ namespace xCommons.Helpers
             genericMethod.Invoke(null, args);
         }
 
+        /// <summary>
+        /// Invoke a Generic Method of Specified Type ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <param name="methodName"></param>
+        /// <param name="runtimeTypes"></param>
+        /// <param name="args"></param>
+        public static void InvokeGenericMethod(
+            this Type source,
+            string methodName,
+            Type[] runtimeTypes,
+            params object[] args
+        )
+        {
+            //
+            var overLoads = source.GetGenericMethodInfo(
+                methodName: methodName
+            );
+            if (!overLoads.HasChild())
+            {
+                return;
+            }
+
+            //
+            // Detect a Method by Generic Types ...
+            // var method = overLoads.ElementAt(0);
+            var method = overLoads.First(m => m.GetGenericArguments().Length == runtimeTypes.Length);
+            MethodInfo genericMethod = method.MakeGenericMethod(runtimeTypes);
+
+            //
+            genericMethod.Invoke(null, args);
+        }
+
         /// <summary>
         /// Extract a Generic Method's Overloads ...
         /// </summary>
diff --git a/Models/XServiceDescriptor.cs b/Models/XServiceDescriptor.cs
new file mode 100644
index 0000000..54502bd
--- /dev/null
+++ b/Models/XServiceDescriptor.cs
@@ -0,0 +1,19 @@
+using System;
+
+namespace xCommons.Models
+{
+    public class XServiceDescriptor
+    {
+        public Type Service { get; set; }
+        public Type Implementation { get; set; }
+    }
+
+    public class XServiceDescriptor<TService, TImplmentation> : XServiceDescriptor
+    {
+        public XServiceDescriptor() : base()
+        {
+            Service = typeof(TService);
+            Implementation = typeof(TImplmentation);
+        }
+    }
+}
\ No newline at end of file