On the Sender line, select the Filter icon to open the Filter modal. It will open the Filter Library by default.
Select the Category of your Sender in order to view suggested Filters for that category. Then, simply select the Filter(s) that you would like to enable for this Sender. When selecting the Discount Filter, you will be prompted to set a lower and upper bound for your Filter range. When selecting one of the custom By Brand, By Item, By Keyword Filters, be sure to enter the desired keyword(s) in the space provided. Remember to hit ‘Save’ on your selections!