Parameters.xml at Mac's MVC Framework

<parameters>

  <parameter name="AppPath" defaultValue="Default Web Site/Macs-CMS" tags="iisapp">
    <parameterEntry type="ProviderPath" scope="iisapp" match="Application" />
  </parameter>
  
  <!-- This is the parameter that is used to set ACLs, it's set to the application path filled in by the user -->
  <parameter name="SetAclParameter1" defaultValue="{AppPath}/writable" tags="Hidden">
    <parameterEntry type="ProviderPath" scope="setAcl" match="Application/writable" />
  </parameter>
  
</parameters>