diff --git a/LightweightIocContainer/Interfaces/IIocContainer.cs b/LightweightIocContainer/Interfaces/IIocContainer.cs
index b86f5d0..bb0a797 100644
--- a/LightweightIocContainer/Interfaces/IIocContainer.cs
+++ b/LightweightIocContainer/Interfaces/IIocContainer.cs
@@ -20,6 +20,12 @@ namespace LightweightIocContainer.Interfaces
         /// <returns>An instance of the current <see cref="IIocContainer"/></returns>
         IIocContainer Install(params IIocInstaller[] installers);
 
+        /// <summary>
+        /// Register an <see cref="IRegistration"/> at this <see cref="IocContainer"/> 
+        /// </summary>
+        /// <param name="addRegistration">The <see cref="Func{T, TResult}"/> that creates an <see cref="IRegistration"/></param>
+        public void Register(Func<IRegistrationCollector, IRegistration> addRegistration);
+
         /// <summary>
         /// Clear the multiton instances of the given <see cref="Type"/> from the registered multitons list
         /// </summary>
diff --git a/LightweightIocContainer/LightweightIocContainer.xml b/LightweightIocContainer/LightweightIocContainer.xml
index f81ed54..67d8d75 100644
--- a/LightweightIocContainer/LightweightIocContainer.xml
+++ b/LightweightIocContainer/LightweightIocContainer.xml
@@ -472,6 +472,12 @@
             <param name="installers">The given <see cref="T:LightweightIocContainer.Interfaces.Installers.IIocInstaller"/>s</param>
             <returns>An instance of the current <see cref="T:LightweightIocContainer.Interfaces.IIocContainer"/></returns>
         </member>
+        <member name="M:LightweightIocContainer.Interfaces.IIocContainer.Register(System.Func{LightweightIocContainer.Interfaces.Registrations.IRegistrationCollector,LightweightIocContainer.Interfaces.Registrations.IRegistration})">
+            <summary>
+            Register an <see cref="T:LightweightIocContainer.Interfaces.Registrations.IRegistration"/> at this <see cref="T:LightweightIocContainer.IocContainer"/> 
+            </summary>
+            <param name="addRegistration">The <see cref="T:System.Func`2"/> that creates an <see cref="T:LightweightIocContainer.Interfaces.Registrations.IRegistration"/></param>
+        </member>
         <member name="M:LightweightIocContainer.Interfaces.IIocContainer.ClearMultitonInstances``1">
             <summary>
             Clear the multiton instances of the given <see cref="T:System.Type"/> from the registered multitons list