<div class="content" name="IAppHost" uuid="9154a520-ce4f-43e1-95c2-63590cfea206"><p>The IAppHostMethod <a href="4e36e522-a35d-4fec-bc9c-6ed14d49d5ca#gt_95913fbd-3262-47ae-b5eb-18e6806824b9" data-linktype="relative-path">interface</a> provides methods
that access a custom method that is optionally supported on a specific <a href="59774887-09e3-4de5-ad8e-4794f404b123" data-linktype="relative-path">IAppHostElement</a> object.</p><p>An IAppHostElement object provides a means for an
administration system to support custom-defined methods that can be executed
against a specific IAppHostElement object. The methods are executed on the
server side and the implementation of these custom methods is not exposed to
the client.</p><p>The IAppHostMethod 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>Name</td>
  <td>Opnum: 3</td>
 </tr><tr>
  <td>Schema</td>
  <td>Opnum: 4</td>
 </tr><tr>
  <td>CreateInstance</td>
  <td>Opnum: 5</td>
 </tr></tbody></table><p> </p></div>