I'm glad you've reached out to the Community for help. I'll be happy to answer your question.
I want to make sure I give you the correct info. To get started, are you using Standard Payroll or Advanced Payroll powered by Wagepoint?
Thanks for confirming. I recommend creating an additional pay type by following the steps below:
You can then use this Additional Pay Type when running payroll. Keep in mind that it'll be subject to tax. If you've got questions, don't hesitate to ask. I'm here to help.