scription</th><th>Required</th></tr></thead><tbody><tr id=Template-timestamp><td><code>timestamp</code></td><td><code><a href=/v1.10/zh/docs/reference/config/policy-and-telemetry/istio.policy.v1beta1.html#TimeStamp>TimeStamp</a></code></td><td><p>Timestamp of the edge</p></td><td>No</td></tr><tr id=Template-source_workload_namespace><td><code>sourceWorkloadNamespace</code></td><td><code>string</code></td><td><p>Namespace of the source workload</p></td><td>No</td></tr><tr id=Template-source_workload_name><td