As a starting point, I will use the BPM application created here: Creating BPM Process with BPM Composer.
I created three users: peter, bruce and clark. Clark is the manager of Bruce, and Bruce is the manager of peter.
In the process, add a new swimlane and change the role to Process Reviewer.
Add an User Task between Initiator and End Events.
Double-click on User Task and click on Add button near Human Task field.
Name it as EmployeeApprovalHT. Read the complete article here.
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