azon Mechanical Turk will send a
			"Ping" notification when you call the <code class="function">SendTestEventNotification</code> operation,
			and may also send "Ping" events to check the availability of your receptor at other times. </p></div></div><div class="navfooter"><table width="100%" summary="Navigation footer" cellspacing="0" cellpadding="2"><tr><td width="30%" align="left"><a accesskey="p" href="ApiReference_NotificationReceptorAPIArticle.html"><img src="images/prev.gif" alt="Prev"></a> </td><td 