# Conceptual Product Structure

## How to Assign a Product Component to a Product Family

| ### What to do:
| To work through this example, you must first complete the example Create Product Components and Create a Product Family.
| Only the top level component of one product structure should be assigned to a product family.
| Select Start > Products > Product Families The Product Family mask is opened.
| Search for Ball Pen.
| Select the Product Components tab.
| To change to insert mode click .
| Click in the field Component Number. The Product Components (Modular) list is opened.
| Select MDL-01 from the Product Components (Modular) list.
| To save the entry click .