You can change the amount or add a discount on members in Abler Pay after the payable event has been created.
Step 1: Click on the event
Step 2: After that you need to click on payments, find the member and click on the circle by their name, click edit and then edit invoice items. This is not possible if the member has already paid.
Step 3: When you click on ,,edit invoice items'' then this window opens up:
Discount: You add the discount here, for example 50%
Unit price: You change the price here
It's best to give a discount or change the unit price. You don't need to do both.