diff --git a/api/envoy/api/v2/listener/listener.proto b/api/envoy/api/v2/listener/listener.proto
index 77f753501fdd..293a4d2da221 100644
--- a/api/envoy/api/v2/listener/listener.proto
+++ b/api/envoy/api/v2/listener/listener.proto
@@ -188,6 +188,11 @@ message FilterChain {
 
   // See :ref:`base.TransportSocket<envoy_api_msg_core.TransportSocket>` description.
   core.TransportSocket transport_socket = 6;
+
+  // [#not-implemented-hide:] The unique name (or empty) by which this filter chain is known. If no
+  // name is provided, Envoy will allocate an internal UUID for the filter chain. If the filter
+  // chain is to be dynamically updated or removed via FCDS a unique name must be provided.
+  string name = 7;
 }
 
 message ListenerFilter {
diff --git a/tools/spelling_dictionary.txt b/tools/spelling_dictionary.txt
index 3f935e236cef..98cfe52c85a8 100644
--- a/tools/spelling_dictionary.txt
+++ b/tools/spelling_dictionary.txt
@@ -88,6 +88,7 @@ EWOULDBLOCK
 EXPECTs
 EXPR
 FAQ
+FCDS
 FDs
 FFFF
 FIN