      filter:
            name: &quot;envoy.filters.network.tcp_proxy&quot;
    patch:
      operation: INSERT_BEFORE
      value:
        # This is the full filter config including the name and typed_config section.
        name: &quot;envoy.extensions.filters.network.mongo_proxy&quot;
        typed_config:
          &quot;@type&quot;: &quot;type.googleapis.com/envoy.extensions.filters.network.mongo_proxy.v3.MongoProxy&quot;
          ...
  - applyTo: NETWORK_FILTER # http connection manager is a filter in