diff --git a/plug.proto b/plug.proto
index 064e1f3..cb71ea3 100644
--- a/plug.proto
+++ b/plug.proto
@@ -8,6 +8,7 @@ service PlugConnector {
   rpc TaskStatus(PlugTask) returns (PlugTaskStatus);
   rpc TaskCancel(PlugTask) returns (PlugTaskStatus);
   rpc Ping(PingRequest) returns (PongResponse);  // Added Ping endpoint
+  rpc SendMessage(SendMessageRequest) returns (SendMessageResponse);
 }
 
 message PingRequest {
@@ -40,4 +41,14 @@ message PlugTaskCreation {
   string user_id = 1;
   string user_source_name = 2;
   bool deep_scrape = 3;
+  string api_key = 4;
 }
+
+message SendMessageRequest {
+  string user_id = 1;
+  string message = 2;
+}
+
+message SendMessageResponse {
+  bool success = 1;
+}
\ No newline at end of file