diff --git a/ZeroLevel/Services/Reflection/TypeHelpers.cs b/ZeroLevel/Services/Reflection/TypeHelpers.cs
index 9d0ebed..eda7d18 100644
--- a/ZeroLevel/Services/Reflection/TypeHelpers.cs
+++ b/ZeroLevel/Services/Reflection/TypeHelpers.cs
@@ -204,5 +204,16 @@ namespace ZeroLevel.Services.Reflection
             }
             return FormatterServices.GetUninitializedObject(type);
         }
+
+        public static Type GetElementTypeOfEnumerable(object o)
+        {
+            var enumerable = o as IEnumerable;
+            if (enumerable == null)
+                return null;
+            Type[] interfaces = enumerable.GetType().GetInterfaces();
+            return (from i in interfaces
+                    where i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IEnumerable<>)
+                    select i.GetGenericArguments()[0]).FirstOrDefault();
+        }
     }
 }
\ No newline at end of file
diff --git a/ZeroLevel/ZeroLevel.csproj b/ZeroLevel/ZeroLevel.csproj
index 83ab122..85d2892 100644
--- a/ZeroLevel/ZeroLevel.csproj
+++ b/ZeroLevel/ZeroLevel.csproj
@@ -6,16 +6,16 @@
 </Description>
     <Authors>ogoun</Authors>
     <Company>ogoun</Company>
-    <AssemblyVersion>3.3.5.5</AssemblyVersion>
-    <PackageReleaseNotes>Update TypeMapper</PackageReleaseNotes>
+    <AssemblyVersion>3.3.5.6</AssemblyVersion>
+    <PackageReleaseNotes>Append method TypeHelpers.GetElementTypeOfEnumerable</PackageReleaseNotes>
     <PackageProjectUrl>https://github.com/ogoun/Zero/wiki</PackageProjectUrl>
     <Copyright>Copyright Ogoun 2021</Copyright>
     <PackageLicenseUrl></PackageLicenseUrl>
     <PackageIconUrl></PackageIconUrl>
     <RepositoryUrl>https://github.com/ogoun/Zero</RepositoryUrl>
     <RepositoryType>GitHub</RepositoryType>
-    <Version>3.3.5.5</Version>
-    <FileVersion>3.3.5.5</FileVersion>
+    <Version>3.3.5.6</Version>
+    <FileVersion>3.3.5.6</FileVersion>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <PackageIcon>zero.png</PackageIcon>
   </PropertyGroup>