</tt> should be able to be passed and
returned as opaque values.</blockquote>
</div>
<div class="section">
<h2><a class="toc-backref" href="#id17" id="post-call-actions" name="post-call-actions">Post-Call Actions</a></h2>
<blockquote>
From-Python converters should be passed an extra reference to a
chain of post-call actions in the Policies object, where they can
register an additional action.  See the end of
<a class="reference" href="http://aspn.activestate.com/ASPN/Mail/Message/C++-sig/1755435">http://asp