Discount cap is the maximum discount that users can get. It will be limited to the amount you set.
Note: It’s only applicable for percentage type discounts. So your options are:
1. Percentage
2. Sign Up Fee % Discount
3. Recurring Product % Discount
To set a discount cap, go to WordPress Dashboard > EchoRewards > Referral Settings.
Select any Percent-type discount
Once you’re there, look for the ‘Discount Capping’ option and enter the amount you want to set the limit to. Hit Save changes and your discount cap will be set.