uot;Unknown&quot;
    destinationServiceName: destination.service.name | &quot;Unknown&quot;
    destinationServiceNamespace: 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><th>Required</th></tr></thead><tbody><tr id=Template-timestamp><td><code>timestamp</code></td><td><code><a href=/v1.5/docs/