Under Point of Sale --> Configuration-->POS Cross-Selling. From this menu configure Cross-selling Products.
When we click on a product, if it has cross-selling products, a popup will open.
Select the products in the popup, then click the confirm button.
In the order line we can view the Cross-Selling products.
Create & Configure Cross-Selling Products.
Easy to Use and Manage.
The POS Cross-Selling module allows businesses to suggest and offer related or complementary products to customers at the point of sale, boosting sales through cross-selling techniques.
Navigate to Point of Sale → Configuration → POS Cross-Selling. From this menu, you can select and configure cross-selling products for different items.