Custom Order By Attributes
This tutorial will teach you as to how you can add custom sorting or ordering of product by its attribute in shop page.
Category WooCommerce Tutorial
Add Attribute to WooCommerce Product Programmatically
Are you looking for how to add product attribute(s) through in WooCommerce programmatically, then here is the solution for all the above query.
Creating Simple Product using WooCommerce CRUD
WooCommerce 3.0 had released a new way of creating, updating or deleting a product or an order using CRUD method. In this tutorial, we'll be learning how to use it to create or update a product.