diff --git a/pianoverse.proto b/pianoverse.proto
index feea096..cef1dde 100644
--- a/pianoverse.proto
+++ b/pianoverse.proto
@@ -17,6 +17,7 @@ message ClientMessage {
     SUSTAIN = 10;
     HEARTBEAT = 11;
     BAN = 12;
+    OWNER = 13;
   }
 
   EventType event = 1;
@@ -50,6 +51,7 @@ message ClientMessage {
     uint32 hours = 2;
   }
 
+  string owner = 15;
 }
 
 message ServerMessage {
@@ -139,6 +141,7 @@ message Move {
 }
 
 message Press {
+  string id = 1;
   uint32 key = 2;
   uint32 vel = 3;
 }