If you want to add a Discount so kindly follow the below step.

Step #1 : You have to log in with the vendor dashboard and go to Discount.

Step #2 : Click to add an Add Discount so you will see a new Popup. 

Step #3 : You need to update Discount, Minimum Item Amount, Maximum Discount Amount, Discount Start/End Period, Discount Description, Display Text and click to Add Discount.

Congratulations on your add discount successfully.