<Project xmlns="http:///schemas.microsoft.com/developer/msbuild/2003" DefaultTargets="Demo">
 <PropertyGroup>
   <TPath>$(MSBuildProjectDirectory)\..\MSBuild.ExtensionPack.tasks</TPath>
   <TPath Condition="Exists('$(MSBuildProjectDirectory)\..\..\Common\MSBuild.ExtensionPack.tasks')">$(MSBuildProjectDirectory)\..\..\Common\MSBuild.ExtensionPack.tasks</TPath>
 </PropertyGroup>
 <Import Project="$(TPath)"/>
 <ItemGroup>
   <Server Include="dev01;dev02;dev03">
     <DbServer>dev-db01</DbServer>
   </Server>
 </ItemGroup>
 <Target Name="Demo">
   <MSBuild.ExtensionPack.Framework.Metadata TaskAction="Add" Items="@(Server)" NewMetadata="Source=server01;Dest=server02">
     <!-- No way to change the existing item, only to make a new one. -->
     <Output ItemName="Server2" TaskParameter="ResultItems"/>
   </MSBuild.ExtensionPack.Framework.Metadata>
   <Message Text="Result:%0d%0a@(Server2->'%(Identity)=Source: %(Source) Dest: %(Dest) DbServer: %(DbServer)','%0d%0a')"/>
 </Target>
</Project>