><td><code>sourceHostIp</code></td><td><code><a href=/v1.9/zh/docs/reference/config/policy-and-telemetry/istio.policy.v1beta1.html#IPAddress>IPAddress</a></code></td><td><p>Refers to source pod host ip address. attribute<em>bindings can refer to this field using $out.source</em>host_ip</p></td><td>No</td></tr><tr id=OutputTemplate-source_workload_uid><td><code>sourceWorkloadUid</code></td><td><code>string</code></td><td><p>Refers to the Istio workload identifier for the source pod. Attribute<em>bindings can