 to the same newly generated id.</p><p>Optional</p></td><td>No</td></tr><tr id=Template-source_name><td><code>sourceName</code></td><td><code>string</code></td><td><p>Identifies the source (client side) of this span.
Should usually be set to <code>source.workload.name</code>.</p><p>Optional.</p></td><td>No</td></tr><tr id=Template-source_ip><td><code>sourceIp</code></td><td><code><a href=/v1.6/zh/docs/reference/config/policy-and-telemetry/istio.policy.v1beta1.html#IPAddress>IPAddress</a></code></td><td><p>C