1 files changed, 4 insertions, 0 deletions
diff --git a/src/proto/grpc/testing/echo.proto b/src/proto/grpc/testing/echo.proto
index 13e28320fc..977858f6bc 100644
--- a/src/proto/grpc/testing/echo.proto
+++ b/src/proto/grpc/testing/echo.proto
@@ -16,11 +16,15 @@
 syntax = "proto3";
 
 import "src/proto/grpc/testing/echo_messages.proto";
+import "src/proto/grpc/testing/simple_messages.proto";
 
 package grpc.testing;
 
 service EchoTestService {
   rpc Echo(EchoRequest) returns (EchoResponse);
+  // A service which checks that the initial metadata sent over contains some
+  // expected key value pair
+  rpc CheckClientInitialMetadata(SimpleRequest) returns (SimpleResponse);
   rpc RequestStream(stream EchoRequest) returns (EchoResponse);
   rpc ResponseStream(EchoRequest) returns (stream EchoResponse);
   rpc BidiStream(stream EchoRequest) returns (stream EchoResponse);