App</strong>: This identifies the destination app based on <code>app</code> label of the
destination workload.</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>destination_app: destination.labels[&#34;app&#34;] | &#34;unknown&#34;
</code></pre></li><li><p><strong>Destination Version</strong>: This identifies the version of the destination workload.</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>destination_version: destination.labels[&#34;version&#34;] | &#34;