Just stumbled over this great article on how to do this over on the Technet Wiki at http://social.technet.microsoft.com/wiki/contents/articles/9353.using-the-fim-cm-2010-notification-api.aspx.

Using this example you can have email notifications sent to a mailbox or distribution list to warn about certificates that are about to expire to give the administrators time to renew them ahead of time.

 

Using the FIM CM 2010 Notification API
http://social.technet.microsoft.com/wiki/contents/articles/9353.using-the-fim-cm-2010-notification-api.aspx