You use product groups to distinguish products that are identical but have variations such as color, material, size or pattern.
They make it easier for customers to find additional colors, styles, or patterns of a particular product. Product Groups are the way you group all product variants.
Submit Variant Data
item_group_iddefined in the product feed
linkattribute should lead to a landing page where that particular variant is preselected.
A Product Group object
ID of the product group
Product catalog this product group belongs to
Retailer ID of the product group
The list of product variants and their options in the order theyneed to be displayed on the UI
Products that belong to this product group
numeric string or integer
The default product to show from the group of products
The list of product variants and their options in the order they need to be displayed on the UI