>listener direction</a></td></tr><tr><td><code>listener_metadata</code></td><td><a href=https://www.envoyproxy.io/docs/envoy/latest/api-v2/api/v2/core/base.proto#core-metadata>metadata</a></td><td>Per-listener metadata</td></tr><tr><td><code>route_metadata</code></td><td><a href=https://www.envoyproxy.io/docs/envoy/latest/api-v2/api/v2/core/base.proto#core-metadata>metadata</a></td><td>Per-route metadata</td></tr><tr><td><code>cluster_metadata</code></td><td><a href=https://www.envoyproxy.io/docs/envoy/late