| TotalAmount | Set the total amount you want the customer to pay. |
| TotalDiscountAmount | Specify by which amount you wish to reduce or discount the total amount payable. |
| DiscountPercentABS | Set the discount percentage that will be omitted from the absolute amount on the total amount payable. For example, if you choose to give 10%, you press it once, and it calculates 10% on the original total. However, if you press it again, another 10% discount is added to the original amount. |
| DiscountPercentREL | You can set discount percentage as a relative value on the total amount payable. For example, if you choose to give 10%, you press it once, and it calculates 10% on the original total. However, if you press it again, another 10% discount is added to the new amount (after the first discount). It acts as a compounded discount each time you use it on the same transaction. |
| LineAmount | Set the line amount you wish to make the customer pay. |
| LineDiscountAmount | State the amount by which you wish to reduce the original line amount payable. |
| LineDiscountPercentABS | Set a discount percentage in an absolute value on the line amount payable. For example, if you choose to give 10%, you press it once, and it calculates 10% on the original total. However, if you press it again, another 10% discount is added to the original amount. |
| LineDiscountPercentREL | Set a discount percentage to a relative value of the line amount payable. For example, if you choose to give 10%, you press it once, and it calculates 10% on the original total. However, if you press it again, another 10% discount is added to the new amount (after the first discount). It acts as a compounded discount each time you use it on the same transaction. |
| LineUnitPrice | Although not a discount, it allows you to modify the unit price directly on the POS sales line. |
| ClearLineDiscount | Remove the discount that has already been applied to the line. |
| ClearTotalDiscount | Remove the discount already applied to the total. |
| DiscountPercentExtra | Add an extra discount percentage on a total that already has a discount applied to it. |
| LineDiscountPercentExtra | Add an extra discount percentage on a line that already has a line discount applied to it. |