diff --git a/proto/decentraland/kernel/comms/rfc4/comms.proto b/proto/decentraland/kernel/comms/rfc4/comms.proto
index 2f440bef..f6e508ca 100644
--- a/proto/decentraland/kernel/comms/rfc4/comms.proto
+++ b/proto/decentraland/kernel/comms/rfc4/comms.proto
@@ -18,7 +18,9 @@ message Packet {
     PlayerEmote player_emote = 9;
     SceneEmote scene_emote = 10;
     MovementCompressed movement_compressed = 12;
-	LookAtPosition look_at_position = 13;
+	  LookAtPosition look_at_position = 13;
+    Reaction reaction = 14;
+    ChatReaction chat_reaction = 15;
   }
   uint32 protocol_version = 11;
 }
@@ -155,3 +157,14 @@ message Voice {
     VC_OPUS = 0;
   }
 }
+
+message Reaction {                                                                                                        
+  int32 emoji_index = 1;
+  float timestamp = 2;                                                                                        
+}                                                                                                                         
+                                                                                                                            
+message ChatReaction {                                                                                                    
+  int32 emoji_index = 1;                                                                                                
+  string message_id = 2;
+  string address = 3;                                                                                                     
+}