Call function when coming back from background?

I'm trying to figure out how to call a function when my iOS application is coming back from background. I have read through som posts I can use "OnApplicationPause" but not sure how to do so when coming back from background... Can anybody help?

Thanks in advance

 

http://unity3d.com/support/documentation/ScriptReference/MonoBehaviour.OnApplicationPause.html

It sends a bool telling you if it's entering foreground/background.

 

New to this part of Unity... So where/what does is say foreground/background?

function OnApplicationPause (pause : boolean) : void

 

I have tried this:

Code (csharp):

1. function OnApplicationPause(pause:boolean){
2.    game_message = true;
3. }

That works when the application goes into sleep... But I want to run the game_message = true; when the application wakes up again! How do I do this?

Hooping for help

 

Code (csharp):

1. function OnApplicationPause (pause : boolean) {
2.    if (pause) {
3.       // Put code in here that you want to run when the game enters background.
4.    }
5.    else {
6.       // Put code in here that you want to run when the game enters foreground.
7.    }
8. }

I would also try OnApplicationFocus.