The “Pay Types” tab is where you can create and modify various pay types that are involved in the payroll process. Each pay type can be customized to be taxable, earn or deduct various accruals, and have modifiers that automatically apply to the rate associated with the pay type.
...
Detail
To add a Pay Type:
Navigate to the Pay Types tab
Click Insert
Type in the Description, Modifier, and Type fields
Type in any other optional fields
Click Save