_source:
            ads: {}
          type_urls: [&quot;type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm&quot;]
</code></pre>
<p>The following example inserts an <code>envoy.filters.listener.proxy_protocol</code> listener filter before the <code>envoy.filters.listener.tls_inspector</code>.</p>
<pre><code class="language-yaml">apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
  name: listener-filter-example
  namespace: myns
spec:
  configPatches:
  - applyTo: LISTENER_FILTE