From c01016dfe8eb98b8cd017cef73a70147c927b592 Mon Sep 17 00:00:00 2001
From: Allenhuangrui <rui.huang4@mail.mcgill.ca>
Date: Wed, 29 Jul 2026 20:15:38 +0800
Subject: [PATCH] feat: add extension info to AdminSendMessageRequest

---
 apache/rocketmq/v2/admin.proto | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/apache/rocketmq/v2/admin.proto b/apache/rocketmq/v2/admin.proto
index c34a22e..ef15f1a 100644
--- a/apache/rocketmq/v2/admin.proto
+++ b/apache/rocketmq/v2/admin.proto
@@ -383,6 +383,10 @@ message AdminSendMessageRequest {
   map<string, string> user_properties = 5;
   // System properties of the message.
   optional SystemProperties system_properties = 6;
+  // Request-scoped extension information. Unknown entries should be ignored.
+  // Known keys:
+  // - protocol_type: Protocol used by the original producer (REMOTING or GRPC_V2).
+  map<string, string> ext_info = 7;
 }
 
 message AdminSendMessageResponse {