@@ -1,4 +1,3 @@
-
 # API Reference
 
 This gives details on the new top level objects for __express.io__.   
@@ -99,7 +98,9 @@ app.io.route('example', function(req) {
 
 ### Properties
 
-* `req.io.emit(event, data)` - Send an `event` with `data` to this client.
+* `req.io.emit(event, data [, callback])` - Send an `event` with `data` to this client. optional `callback` for client acknowledgement (needs to declare a single argument even if none is sent by the client due to open socket.io issue)
+* `req.io.get(key, callback)` - Retreives data stored on the socket. The `callback` is passed `value`, which is the data stored under the `key`, if any.
+* `req.io.set(key, value, callback)` - Retreives data stored on the socket. The `callback` does not receive arguments.
 * `req.io.respond(data)` - Sends the acknowledgment `data` back to the client.
 * `req.io.broadcast(event, data)` - Broadcast to all clients except this one.
 * `req.io.room(room).broadcast(event,data)` - Broadcast to the specified `room`, the `event` and `data`.  Every client in the `room` except the one making the request, receives this `event`.