<table class=message-fields><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr id=PortSelector-number><td><code>number</code></td><td><code>uint32</code></td><td><p>Port number</p></td><td>Yes</td></tr></tbody></table></section><h2 id=PolicyTargetReference>PolicyTargetReference</h2><section><p>PolicyTargetReference format as defined by <a href=https://gateway-api.sigs.k8s.io/geps/gep-2648/#direct-policy-design-rules>GEP-2648</a>.</p><p>PolicyTargetReference sp