the first non-empty value in
<code>destination.labels["app"]</code>, <code>destination.service.host</code>, or <code>"unknown"</code>. For
more information on expressions, see <a href=/v1.7/docs/reference/config/policy-and-telemetry/expression-language/>Expression
Language</a>.</p></li><li><p>Confirm the <code>quota rule</code> was created:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl -n istio-system get rule quota -o yaml
</code></pre><p>The <code>rule</code> tells Mixe