diff --git a/api/envoy/service/status/v3/csds.proto b/api/envoy/service/status/v3/csds.proto
index b764f1cc3a4f..1c51f2bac379 100644
--- a/api/envoy/service/status/v3/csds.proto
+++ b/api/envoy/service/status/v3/csds.proto
@@ -185,6 +185,11 @@ message ClientConfig {
   // Represents generic xDS config and the exact config structure depends on
   // the type URL (like Cluster if it is CDS)
   repeated GenericXdsConfig generic_xds_configs = 3;
+
+  // For xDS clients, the scope in which the data is used.
+  // For example, gRPC indicates the data plane target or that the data is
+  // associated with gRPC server(s).
+  string client_scope = 4;
 }
 
 message ClientStatusResponse {