diff --git a/proto/decentraland/kernel/apis/communications_controller.proto b/proto/decentraland/kernel/apis/communications_controller.proto
index ee2f3722..0cbdfe1a 100644
--- a/proto/decentraland/kernel/apis/communications_controller.proto
+++ b/proto/decentraland/kernel/apis/communications_controller.proto
@@ -9,6 +9,12 @@ message RealSendResponse {}
 
 message SendBinaryRequest {
   repeated bytes data = 1;
+  repeated SendBinaryToAddress messages_to_address = 2;
+}
+
+message SendBinaryToAddress {
+  bytes data = 1;
+  optional string address = 2;
 }
 
 message SendBinaryResponse {