time-out escalation in PO approval hierarchy
                    
 Hello
                Is there any option to set time-out escalation in approval hierarchy for SPECIFIC EMPLOYEE?
For example:
Buyer raise PO to the manager,time-out set to 3 days,If manager unattended the po in three days ,the po moves to president.Time-out escalation is for entire hierarchy .Is there any option for specific user? 
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