Email Notification for Unassigned Task

Email Notification for Unassigned Task

I would like to be able to set up a notification for when an unassigned ticket is service desk pro (Version 9.2 Build 9226). What I would like is that if a ticket sets as unassigned for 2 hours that email is sent to managers so that they can address at that time instead of waiting to discover that the ticket has been unassigned at a later time. I do not know if this is something that is available, but if it is I would like help in setting this up. 
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