1. Go to 'Components' -> Select 'Hikashop' -> Select 'Discounts'

2. Create 'New' discounts

3. Insert 'Discounts Code' -> Select type='Discounts' ->Flat Amount='10' -> Currency='RM' -> Percentage='10%'

4. Set the 'Start date' and 'End date' 

5. Then, click 'Save'