erviceNamespace: destination.service.namespace | &quot;Unknown&quot;
    apiProtocol: api.protocol | &quot;Unknown&quot;
    contextProtocol: context.protocol | &quot;Unknown&quot;
</code></pre><table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th></tr></thead><tbody><tr id=Template-timestamp><td><code>timestamp</code></td><td><code><a href=/v1.2/docs/reference/config/policy-and-telemetry/istio.policy.v1beta1.html#TimeStamp>istio.policy.v1beta1.TimeStamp</a></code></td><td><p