The products tab can be used to accurately select which of the products are shown in the notifications. It will be only useful only if WooCommerce plugin is installed.
If you don't have WooCommerce installed or wish to create virtual (fake) notifications, select No Products for display setting
Sets the limit for number of products or number of virtual messages to create
Choose products from orders with specified statuses
For products from recent orders criteria, select orders which are placed within this timeframe
Search and select products for the Select products criteria
Search and select categories from which products are selected for Products from select categories criteria
Exclude some products from showing in the notifications
Exclude out of Stock
Exclude products with no stock availability
Create virtual notifications
If there are less products than the specified limit, enabling this option will fill with already available products. For the No products criteria, enabling this options will create random messages upto the limit.
If you choose no products criteria, this options must be enabled too to create virtual messages
Show notifications in random order
Randomizes the products order so visitors will not see the notifications in the same order for each pageload.