<appv:Extensions xmlns:appv="http://schemas.microsoft.com/appv/2010/manifest">
  <appv:Extension Category="AppV.EnvironmentVariables">
    <appv:EnvironmentVariables>
      <appv:Include>
        <appv:Variable Name="PATH" Value="%PATH%;[{AppVPackageRoot}]\Client"/>
      </appv:Include>
    </appv:EnvironmentVariables>
  </appv:Extension>
</appv:Extensions>