Yes, you can attach a product variant to a field with options. This is useful for add-on or upsell products like gift wrapping. The product attachment option is available for Checkbox, Multiple Choice, and Dropdown fields.
To add a product variant to a field:
- From your Shopify admin, go to Fields.
- Click Create field group or edit an existing field group.
- Add or edit a multiple choice, checkbox, or dropdown field.
- Add or edit an option within the field.
- Click the Attach variant button next to the field input.
- Select the product variant you want to add.
- Click Apply changes.
- Click Save.
Each attached product variant will be added to the cart when a customer selects that field option.
Originally from our Help Center
