How to override the benefit entitlement for just one employee?

How to override the benefit entitlement for just one employee?

Eg : How to change the Medical entitlement from $300 to $400 for just one employee without effecting the other employees benefit entitlement.

Solution:
1. Go to Expense-->Employee Expense-->Expense Assignment, select the employee and go to Benefit Override tab, click on either "Add Expense Type" or "Add Expense Group"


2. Select the expense type or group and key in the value per year and save.