To add a custom product to an order in Order Manager, follow these steps:
- From "Shopify Admin", select Apps.
- Select Order Manager.
- Select Statuses.
- Select Create Status.
- Enter a Status Name.
- Enter a Status Note (optional).
- Select Send email when the status is selected? (optional)
- Enter an Email Subject and Content (optional).
- Select Save Status.
That's it!