---
title: edge
layout: protoc-gen-docs
generator: protoc-gen-docs
number_of_entries: 1
---
<p>The <code>edge</code> template represents an edge in the mesh graph.</p>

<h2 id="Template">Template</h2>
<section>
<p>The <code>edge</code> template represents an edge in the mesh graph</p>

<p>When writing the configuration, the value for the fields associated
with this template can either be a literal or an
<a href="https://istio.io/docs/reference/config/mixer/expression-language.html">expression</a>. Please
note that if the datatype of a field is not
istio.mixer.adapter.model.v1beta1.Value, then the expression&rsquo;s
<a href="https://istio.io/docs/reference/config/mixer/expression-language.html#type-checking">inferred
type</a>
must match the datatype of the field.</p>

<p>Example config:</p>

<pre><code class="language-yaml">apiVersion: &quot;config.istio.io/v1alpha2&quot;
kind: edge
metadata:
  name: default
  namespace: istio-system
spec:
  timestamp: request.time
  sourceUid: source.uid | &quot;Unknown&quot;
  sourceOwner: source.owner | &quot;Unknown&quot;
  sourceWorkloadName: source.workload.name | &quot;Unknown&quot;
  sourceWorkloadNamespace: source.workload.namespace | &quot;Unknown&quot;
  destinationUid: destination.uid | &quot;Unknown&quot;
  destinationOwner: destination.owner | &quot;Unknown&quot;
  destinationWorkloadName: destination.workload.name | &quot;Unknown&quot;
  destinationWorkloadNamespace: destination.workload.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="https://istio.io/docs/reference/config/policy-and-telemetry/istio.policy.v1beta1.html#TimeStamp">istio.policy.v1beta1.TimeStamp</a></code></td>
<td>
<p>Timestamp</p>

</td>
</tr>
<tr id="Template-source_workload_namespace">
<td><code>sourceWorkloadNamespace</code></td>
<td><code>string</code></td>
<td>
<p>Source of edge.</p>

</td>
</tr>
<tr id="Template-source_workload_name">
<td><code>sourceWorkloadName</code></td>
<td><code>string</code></td>
<td>
</td>
</tr>
<tr id="Template-source_owner">
<td><code>sourceOwner</code></td>
<td><code>string</code></td>
<td>
</td>
</tr>
<tr id="Template-source_uid">
<td><code>sourceUid</code></td>
<td><code>string</code></td>
<td>
</td>
</tr>
<tr id="Template-destination_workload_namespace">
<td><code>destinationWorkloadNamespace</code></td>
<td><code>string</code></td>
<td>
<p>Destination of edge</p>

</td>
</tr>
<tr id="Template-destination_workload_name">
<td><code>destinationWorkloadName</code></td>
<td><code>string</code></td>
<td>
</td>
</tr>
<tr id="Template-destination_owner">
<td><code>destinationOwner</code></td>
<td><code>string</code></td>
<td>
</td>
</tr>
<tr id="Template-destination_uid">
<td><code>destinationUid</code></td>
<td><code>string</code></td>
<td>
</td>
</tr>
<tr id="Template-context_protocol">
<td><code>contextProtocol</code></td>
<td><code>string</code></td>
<td>
<p>Protocol used</p>

</td>
</tr>
<tr id="Template-api_protocol">
<td><code>apiProtocol</code></td>
<td><code>string</code></td>
<td>
</td>
</tr>
</tbody>
</table>
</section>