To apply a discount to a client profile, visit the Clients Page and then select the edit client button to edit a client profile, on the Edit Client Prompt you can set a discount profile for a client by pressing the +Discount button. Applying this discount will then automatically prompt to apply it in the POS cart on future checkout
The Edit Client Page - Discount Profile section
Using Discounts
When a client has been assigned a discount in the POS when the client has been added, their respective discount will apply to the cart
A discount profile automatically applied in the POS screen
The remove discount button in the POS screen
If a client does not have a discount profile assigned you can still access the discount profile to apply them for single use, press the +Discount button in the POS and then hit the peoples icon where a discount profile prompt will appear to select a profile to apply for this cart. This is a one time use and the profile will not apply automatically to the clients profile for future use