diff --git a/Modules.Base/Base/Base.vbproj b/Modules.Base/Base/Base.vbproj
index 96bcd49c..48349b26 100644
--- a/Modules.Base/Base/Base.vbproj
+++ b/Modules.Base/Base/Base.vbproj
@@ -66,6 +66,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="BaseClass.vb" />
+    <Compile Include="IDB\Attributes.vb" />
     <Compile Include="IDB\Database.vb" />
     <Compile Include="IDB\FileStore.vb" />
     <Compile Include="My Project\AssemblyInfo.vb" />
diff --git a/Modules.Base/Base/IDB/Attributes.vb b/Modules.Base/Base/IDB/Attributes.vb
new file mode 100644
index 00000000..a6b62527
--- /dev/null
+++ b/Modules.Base/Base/IDB/Attributes.vb
@@ -0,0 +1,6 @@
+Namespace IDB
+    Public Class Attributes
+        Public Const ATTRIBUTE_DOCTYPE = "Doctype"
+    End Class
+
+End Namespace
\ No newline at end of file