For the complete documentation index, see llms.txt. This page is also available as Markdown.

Add-on price settings

The Add-on price section, covering how extra charges are displayed and how add-on lines appear in the cart.

Settings > Settings > Add-on price contains seven store-wide settings that control how add-on charges are displayed. The amounts charged are set on the options themselves.

The settings are documented in full under Add-on price display settings. This page summarizes them.

The settings

Setting
Default
What it does

Add-on money format

Without currency

Whether amounts include your currency code

Add-on label format

(+ {{addon}})

The wrapper around the amount

Show add-on for inputs

On

Whether Text, Textarea, and Number options show their price

Show add-on for options

On

Whether selection types show theirs

Show add-on message

On

A summary message about selections adding to the price

Add add-on price to the product price

On for new stores

Whether the displayed product price rises as the customer chooses

Merge Main product & Add-on products

On for new stores

Whether add-ons appear as part of the item in the cart, or as separate lines

The two most important settings

Add add-on price to the product price controls whether customers see one running total or a base price plus extras. With it on, and an option carrying a priced default value, the product price is higher than your listed price as soon as the page loads. This is the most common reason customers ask why a product costs more than advertised.

Merge Main product & Add-on products controls whether the cart displays one customized item or an itemized list. Use merging for heavily configured products, and separate lines for add-ons that are substantial items on their own. See Merge main product and add-ons.

What is not here

Setting
Where it is

The price itself

On each option, or each option value. See Where you can set add-ons

How a charge scales with quantity

The option's Add-on quantity. See Advanced add-on modes

The add-on message's wording

Settings > Translations, per language

Cart controls for add-on lines

Settings > General > Cart page. See Cart page

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