4>applicationId</h4>
<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;applicationId()</pre>
<div class="block">Gets configured <code>StreamsConfig.APPLICATION_ID_CONFIG</code> for this <code>KafkaStreams</code> instance.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a string application.id.</dd>
</dl>
</li>
</ul