Head to Settings > Locations and Schedules > Your location :
In the Labour Settings > Bonuses section, simply click on the "+ Add" at the top right to create a new bonus.
Choose the name you want to appear on your payroll report, the corresponding field in your payroll software
Save
Good to know :
You don't have to specify the type of bonus. You can choose either.
From your Settings > Payroll, you can choose if the bonuses should be viewed by your employees or not :