></pre>
<div class="block">Register a synchronization object for the transaction currently
 associated with the target object. The transction manager invokes
 the beforeCompletion method prior to starting the two-phase transaction
 commit process. After the transaction is completed, the transaction
 manager invokes the afterCompletion method.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sync</code> - The Synchronization object for the transaction associated
    with the target o