Use product sync APIs to sync the product and inventory of your store with Growlytics. This article will give you all the details you need to create products, collections and map products to collections.
Data Structure Of Product And Collections
The data structure of products and collections is many to many kinds of relationships. One collection can have multiple products and one product can be in multiple collections.
Mapping Products & Collections
Products and Collections have many to many relationships. You can use APIs to add or remove multiple products from a particular collection.
Add products to the collection
Make sure you have added products and collections in Growlytics before adding them to any collection. In short, products and collections to be mapped must exist in Growlytics.