For each engineering product type, you can define one or more category hierarchies and categories to which a product belongs. If you release a product with the engineering product type, the product, product version, or product variant is assigned to these categories.
Steps
Go to Product engineering > Setup > Engineering product type.
In the left pane, select the desired engineering product type.
In the Category section, click Add.
In the Category hierarchy field, enter or select a value.
In the Category field, enter or select a value.
Close the page.