diff --git a/README.md b/README.md
index 63265e6..7acfcd7 100644
--- a/README.md
+++ b/README.md
@@ -123,6 +123,7 @@ When a transition is completed it is up to the developer to send a ```transition
 Monarch comes with a system for setting up transitions easily in a gui_script using the ```monarch.transitions.gui``` module. Example:
 
 	local transitions = require "monarch.transitions.gui"
+	local monarch = require "monarch.monarch"
 
 	function init(self)
 		-- create transitions for the node 'root'
@@ -137,6 +138,10 @@ Monarch comes with a system for setting up transitions easily in a gui_script us
 
 	function on_message(self, message_id, message, sender)
 		self.transition.handle(message_id, message, sender)
+		-- you can also check when a transition has completed:
+		if message_id == monarch.TRANSITION.DONE and message.transition == monarch.TRANSITION.SHOW_IN then
+			print("Show in done!")
+		end
 	end
 
 ### Predefined transitions
diff --git a/monarch/transitions/gui.lua b/monarch/transitions/gui.lua
index 783d93a..5c7ab2b 100644
--- a/monarch/transitions/gui.lua
+++ b/monarch/transitions/gui.lua
@@ -113,16 +113,18 @@ function M.create(node)
 		}
 	end
 
-	local function start_transition(transition, url)
+	local function start_transition(transition, transition_id, url)
 		table.insert(transition.urls, url)
 		if not transition.in_progress then
+			table.insert(transition.urls, msg.url())
 			current_transition = transition
 			transition.in_progress = true
 			transition.fn(node, initial_data, transition.easing, transition.duration, transition.delay or 0, function()
 				transition.in_progress = false
+				local message = { transition = transition_id }
 				while #transition.urls > 0 do
 					local url = table.remove(transition.urls)
-					msg.post(url, monarch.TRANSITION.DONE)
+					msg.post(url, monarch.TRANSITION.DONE, message)
 				end
 			end)
 		end
@@ -141,7 +143,7 @@ function M.create(node)
 		else
 			local transition = transitions[message_id]
 			if transition then
-				start_transition(transition, sender)
+				start_transition(transition, message_id, sender)
 			end
 		end
 	end