  }]
                   }]
               }
             vm_config:
               runtime: envoy.wasm.runtime.null
               code:
                 local: { inline_string: &quot;envoy.wasm.attributegen&quot; }
</code></pre>
<p>The following example inserts an http ext_authz filter in the <code>myns</code> namespace.</p>
<pre><code class="language-yaml">apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
  name: myns-ext-authz
  namespace: myns
spec:
  configPatches:
  - applyTo: HTTP_