Add order line item

Add a new line item to an existing order.

You can use this action to add a line item to an existing order. The line item could be a product variant that exists on your store, or a completely custom line item.

Action properties

Name	Description
Order ID	The ID of the Shopify order to add a line item to.
Variant ID	Optional. The ID of the variant to add. If left blank, a custom line item will be added instead.
Quantity	Optional. The quantity to add. If left blank, will default to 1.
Price	The price of the custom line item to add as a decimal, eg 12.99. Ignored if a variant ID is provided.
Title	The title of the custom line item to add. Ignored if a variant ID is provided.
Requires shipping	Whether the custom line item to add requires shipping. Ignored if a variant ID is provided.
Taxable	Whether the custom line item to add is taxable. Ignored if a variant ID is provided.
Notify customer	Whether to notify the customer with an email once editing is complete.

Notes

This action uses Shopify's Order Editing API under the hood, and is subject to the same restrictions as that API - for example, orders older than 60 days can't be edited, and you're not able to set a custom price for a line item being added with an existing variant ID.

Example

When an order is placed for a product representing a 20% deposit, add a separate product for the 80% balance to the order, triggering an email to the customer.