Shopping Cart Add-ons

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In this article, you'll find:

1. Feature introduction

To increase exposure for selected add-on items and attract customers to buy more items in the store, merchants can set up a "Shopping Cart Add-on Items" campaign. By setting up this feature, customers can view and purchase more products in the shopping cart before checkout.

You can use this feature to promote

  • Sales items: Set up a product with a super attractive price to attract customers to buy more before checkout.
  • Hot-selling items: If there are many different products in your store, you can select some hot-selling items to promote again in the shopping cart.
  • Clearance items: You can also set up clearance sales in the shopping cart.

Please be noted that

  • In the same promotion period, only one "Shopping Cart Add-on Items" event will appear in the shopping cart. Please avoid setting up multiple events within the same period.
  • A maximum of 20 add-on items can be added to the event, 4 add-on items are shown each time. Customers can view other add-on items by switching the pages as shown below:
  • If the add-on item itself has been unpublished, deleted, or out of stock, it would not be shown on the storefront. Similarly, if the add-on item event has been unpublished, deleted, or expired, the whole event would not appear on the storefront. As a result, if the customer has added an add-on item to their shopping cart previously but has not checked out, the item will be automatically removed by the system.
  • If the add-on item has a valid period or expiry date, the dates would not be applied to cart add-on items. In this case, the validity period or expiry date of all add-on items would be based on the validity period of the shopping cart add-on items.
  • As add-on items are sales items, the promotion logic is the same as product-level add-on items. This means other discounts are not applicable to the items.


2. Steps to setup 

Step 1. Select products to be add-on items

In the SHOPLINE Admin, go to [Products & Categories] > [Add-ons].

  • If there are no add-on items in the store, please create one.
  • If there are already existing add-on items in the shop, you can go to Step 2 directly.
  • For the details, please refer to this FAQ - Create Add-on Items.


Step 2. Create shopping cart add-on items

Go to [Promotions & Rewards] > [Shopping Cart Add-ons].

  • Click Add to create a new event.Screen_Shot_2022-03-17_at_5.34.47_PM.png
  • Input the promotion name (*Note: Do not write in {{Chinese}} format, e.g., {{聖誕優惠}})
  • Select Purchase condition - No Condition / Total Order over the minimum amount 
  • Input a valid time
  • Select add-on items (at most 20 items) and enter the add-on price
  • Set the purchase limit per ordercan_drag_addon_items_EN.png

Click and drag ___2023-05-04___10.55.54.png to change the order of the add-on items.



Step 3. Done!

  • After checking all the info on the edit page, click Add or Update to save the settings.
  • You can go to the storefront to check if the event has been set up successfully.


3. View from the storefront

  • Add a product to the cart. There should be at least one product in the cart to trigger the Cart Add-on Items.
  • If the order subtotal does not meet the purchase conditions, the "ADD TO CART" button will be disabled, and the minimum amount reminder will appear.
  • Customers can see the add-on items on the shopping cart page. Click "ADD TO CART" to add the item to the shopping cart. Then fill in the required information to complete the checkout process.
  • When the cart add-on item is added to the cart, the system will check the inventory availability, followed by the purchase limit.
    • If the cart add-on item is out of stock, the system will show "SOLD OUT" and not allow you to add more to the cart.
    • If the quantity is in stock but reaches the purchase limit, the system will show "REACH LIMIT" and not allow to add more add-on items to the cart.


When the order subtotal does not meet the purchase condition


When the order subtotal meets the purchase condition







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