1. Log in to the Back Office

Go to login.gpos.co.th , enter your email and password, and click Log In. Once logged in, go to the Marketing menu and select Item Marketing.

2. Create a New Discount

In the Discount List page, click “+ Create” and select “Category Percent Off.”

3. Set Basic Details

Enter the Promotion Name, such as “10% off food.” The name should clearly indicate the discount type and percentage for easier management later.

4. Set Promotion Time

You can choose between two options

• Always Valid – The discount is always active with no start or end date.
• Custom Time – Specify the start date and end date for the discount period.

Example : The discount is valid from October 1, 2025 – October 31, 2025.

5. Select Days to Apply the Discount

Choose how often the discount will be active

• Day – Available daily.
• Week – The system displays days Monday–Sunday. Tick the desired days.

Example : Selecting Sunday means the discount applies only on Sundays each week.

• Month – The system shows days 1–31 of the month. Select the applicable dates.

Example : Selecting 1 means the discount applies on the 1st of every month.

6. Set the Discount Time Period

Choose how the discount will be applied by time

• All Day – The discount is available throughout the day.
• Specified Time Slots – Specify up to five time slots by setting a start time and end time.

Example : Valid between 6:00 PM – 7:00 PM.

7. Set Excluded Dates

Choose dates when the discount cannot be applied

• None – The discount works normally on all specified days.
• Specified Date – Specify up to five date ranges where the discount should not be used.

Example : October promotion excluding October 10.

Note : The “Available Every,” “Available Time Slots,” and “Unavailable Dates (Holidays)” features are available from version 2.2.1 onward.

8. Enter a Discount Description

Add a description to explain the discount’s purpose, terms, or restrictions for better understanding.

9. Define Discount Usage Conditions

By default, the system allows all users to use this discount. You can also select specific usage channels

• POS Terminal – Automatically selected by default.
• Order From Table QR Code – For customers ordering food via QR code at the table.
• Store QR code ordering – For customers ordering via the shop’s QR code.

10. Select Categories for the Discount

Click “+ Add” to choose product categories that will use this discount.

10.1 Choose Discount Categories

After clicking “+ Add,” the system displays all available categories. Tick the desired categories and click “Save.”

11. Set Discount Percentages per Category

After saving, the system will display the selected categories. Enter the discount percentage for each category. To remove a category, click “Delete.” Once all details are filled in, click “Save” to confirm and create the discount.

12. Manage Created Discounts

After creating a discount, you can manage it from the Promotion menu.

• View – View or verify discount information.
• End – Confirm to deactivate the discount (the system will prompt for confirmation).
  Click “OK” to proceed.

After ending a discount, the Delete button will become available.

Note : Deleting a discount will permanently remove it from the system (this action cannot be undone).