Navigate to the plan or schedule page in the child profile.

Set up your plan and click on "Add subsidies"

Choose to apply it to all the payer or specific ones

Choose between hourly, percentage, or fixed amount. ( For fixed amounts, you can choose to enter the subsidy portion, or the parent portion, or both)

Select the days that you want to apply the subsidy on

Choose to display the subsidy as a description

When you are done, click Add