diff --git a/action.lua b/action.lua
new file mode 100644
index 0000000..329264c
--- /dev/null
+++ b/action.lua
@@ -0,0 +1,31 @@
+function on_msg_receive (msg)
+  if msg.out then
+    return
+  end
+  if ((msg.text=='/purple') or (msg.text=='/p')) then
+    local file = io.open("/home/pi/git/lights/tglog.txt", "w")
+    local timestr = os.date("%Y/%m/%d-%H:%M:%S")
+    local message = ("purple|" .. timestr .. "|")
+    send_msg (msg.from.print_name, message, ok_cb, false)
+    file:write("purple|", timestr, "\n")
+    file:close()
+  end
+end
+ 
+function on_our_id (id)
+end
+ 
+function on_secret_chat_created (peer)
+end
+ 
+function on_user_update (user)
+end
+ 
+function on_chat_update (user)
+end
+ 
+function on_get_difference_end ()
+end
+ 
+function on_binlog_replay_end ()
+end