diff --git a/Assignment 4/src/ca/cosc3p91/a4/util/PacketTable.java b/Assignment 4/src/ca/cosc3p91/a4/util/PacketTable.java
index 6a77770..471f49e 100644
--- a/Assignment 4/src/ca/cosc3p91/a4/util/PacketTable.java	
+++ b/Assignment 4/src/ca/cosc3p91/a4/util/PacketTable.java	
@@ -2,6 +2,15 @@ package ca.cosc3p91.a4.util;
 
 public class PacketTable {
 
-    
+    // packetID -> byte defined in this file
+    // clientID -> long
+    // messageID -> long
+
+    // packetID, clientID (0 if connecting to server)
+    public static final byte CONNECT = 0x1;
+    // packetID, clientID
+    public static final byte DISCONNECT = 0x2;
+    // packetID, clientID, messageID
+    public static final byte ACK = 0x3;
 
 }