How to apply a coupon while creating an invoice in mobile?

Please follow the steps mentioned below to apply a coupon while creating an invoice:

Step 1: Go to Bills >> Sales >> Click on +Invoice

Step 2: Enter the necessary details

Step 3: Scroll down >> Click on Add Extra Discount/Coupons

Step 4: Click on + Add Coupon

Step 5: Select the desired coupon and Click on Apply

Step 6: Click on Save

Step 7: Now, click on Create to create the invoice