Opmanager - Folder Monitor, check for Modified time

Opmanager - Folder Monitor, check for Modified time

As the subject line states, am looking for a folder monitor that just checks the modified time.  My threshold would be set for older or equal to 2 hours.  If items changes within the folder have not taken place within that 2 hour time frame I would configure an alert be sent to application support team.
 
By the way, it was at our application maintenace team's request, that this type of monitoring be used.  Currently with opmanager I just can't think of a way to do it. 
 
Thank you

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