First, select the Plan you’d like to add a new Payment Rule to. In the plan, click on the purple plus sign button in the bottom right-hand corner and select “Add Payment”. Enter a Payment Name and an Effective Start Date. Select the appropriate Payment template from the list and Save. 

When creating Payment Rules, if you’d like them to pay in multi currency, select the cogwheel in the top right corner after building the payment rule and select the desired currency setting.