For setting up the commission for individual affiliates, you need to upgrade your plan with the professional version, which will allow you to customize the commission individually.
Instructions are as follows –
1. In-app, go to Affiliates.
2. Decide the affiliate for whom you want to set up an individual commission and click the Details button.
3. Click “Set manual commission” button.
4. Enable manual commission and insert commission on each level and click “Set Commission” button.