xmlrpc_server_register_introspection_callback

<?xml version='1.0'?><introspection version='1.0'><methodList>  <methodDescription name='introspection.hello'>   <author>Dan Libby</author>   <purpose>greets the caller and demonstrates use of introspection mechanism</purpose>   <signatures>    <signature>     <params>      <value type='string' name='name'>name of the caller</value>     </params>     <returns>      <value type='string'>a greeting to the caller</value>     </returns>    </signature>   </signatures>   <see><item>system.listMethods</item></see>   <examples/>   <errors>      <item>returns fault code 1 if the caller's name is not specified</item>   </errors>   <notes>    <item>this is a lame example</item>    <item>example of multiple notes</item>   </notes>   <bugs/>   <todo/>  </methodDescription></methodList></introspection>

The introspection callback function should return an XML string with the following format:<?xml version='1.0'?><introspection version='1.0'> <methodList>  <methodDescription name='introspection.hello'>   <author>Dan Libby</author>   <purpose>greets the caller and demonstrates use of introspection mechanism</purpose>   <signatures>    <signature>     <params>      <value type='string' name='name'>name of the caller</value>     </params>     <returns>      <value type='string'>a greeting to the caller</value>     </returns>    </signature>   </signatures>   <see><item>system.listMethods</item></see>   <examples/>   <errors>      <item>returns fault code 1 if the caller's name is not specified</item>   </errors>   <notes>    <item>this is a lame example</item>    <item>example of multiple notes</item>   </notes>   <bugs/>   <todo/>  </methodDescription> </methodList></introspection>