How can I add an additional product for an option?

To add an additional product to the cart whenever a specific option value is selected follow the steps below.

In the product options config, on the option value, click on the " plus" sign:

Choose the product:

You can also increase the quantity if needed:

Option value price

The app will automatically fill in the price of the optionValue:

If you do not want to show the added price on the total displayed the product page, then you can set the price to "0".  

The linked product will still be added to the cart which has it's own price. 

Removing the product

The plus sign will be highlighted in green if a product is linked to this option value. To remove a linked product, you have to remove it from the config:

Quantity from main product

You can now check this setting to sync the quantity if the selected quantity of the main product:

In the example below, the linked product would be added with quantity set to 3.

Inventory stock check

If your linked product can be out of stock, you can enable the following setting to let the app check the stock and automatically disable an option when the linked product is out of stock: