A quick example buildout in XML.

 

<buildout>
  <part name="zope">
    <option name="alink">
      <value>
        <link>
          <section>this</section>
          <option>that</option>
        </link>
      </value>
    </option>
    <option name="instance">
      <value>
        <text>fg</text>
      </value>
    </option>
    <option name="eggs">
      <value>
        <link>
          <section>buildout</section>
          <option>packages</option>
        </link>
        <text>/some/dir</text>
      </value>
    </option>
    <option name="paths">
      <value>
        <text>/usr/bin</text>
      </value>
      <value>
        <text>/usr/local</text>
      </value>
    </option>
  </part>
  <part name="buildout">
    <option name="eggs">
      <value>
        <text>buildoutbuilder</text>
      </value>
    </option>
    <option name="parts">
      <value>
        <text>zope</text>
      </value>
      <value>
        <text>plone</text>
      </value>
    </option>
    <option name="find-links">
      <value>
        <text>http://pypi.python.org</text>
      </value>
    </option>
  </part>
  <part name="plone"/>
</buildout>