<div class="content"><p>The IAppHostMappingExtension <a href="4e36e522-a35d-4fec-bc9c-6ed14d49d5ca#gt_95913fbd-3262-47ae-b5eb-18e6806824b9" data-linktype="relative-path">interface</a> provides methods
that access the path hierarchy mapping system of the administration system.</p><p>The administration system implements a path hierarchy system
that maps paths to potential <a href="59774887-09e3-4de5-ad8e-4794f404b123" data-linktype="relative-path">IAppHostElement</a>
containers. Some details of the path hierarchy are exposed to the user in this
IAppHostMappingExtension.</p><p>The IAppHostMappingExtension interface inherits opnums 0–2
from the <a href="../ms-dcom/2b4db106-fb79-4a67-b45f-63654f19c54c" data-linktype="relative-path">IUnknown</a>
interface.</p><p>Methods in RPC Opnum Order</p><table><thead>
  <tr>
   <th>
   <p>Method</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p><a href="330fb07d-e597-4538-a3ce-21b023ddcd54" data-linktype="relative-path">GetSiteNameFromSiteId</a></p>
  </td>
  <td>
  <p>Opnum: 3</p>
  </td>
 </tr><tr>
  <td>
  <p><a href="dea08a72-b92c-424c-a556-9f915f5c9025" data-linktype="relative-path">GetSiteIdFromSiteName</a></p>
  </td>
  <td>
  <p>Opnum: 4</p>
  </td>
 </tr><tr>
  <td>
  <p><a href="8f90ccb9-6772-4185-9550-47afc8d9a120" data-linktype="relative-path">GetSiteElementFromSiteId</a></p>
  </td>
  <td>
  <p>Opnum: 5</p>
  </td>
 </tr><tr>
  <td>
  <p><a href="11dea6a2-739d-4f96-bd97-415a8ba172c6" data-linktype="relative-path">MapPath</a></p>
  </td>
  <td>
  <p>Opnum: 6</p>
  </td>
 </tr></tbody></table><p> </p></div>