Name: processfetch/server.xml 
1:
<description datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes" xmlns="http://riddl.org/ns/description/1.0" xmlns:xi="http://www.w3.org/2001/XInclude">
2:
 
3:
  <message name="pid">
4:
    <parameter name="pid" mimetype="text/plain"/>
5:
  </message>
6:
 
7:
  <message name="model">
8:
    <parameter name="document" mimetype="text/xml"/>
9:
  </message>
10:
 
11:
  <resource>
12:
    <get in="pid" out="model"/>
13:
  </resource>  
14:
 
15:
</description>