# Conceptual Product Structure

## How to Assign a Product Component to Classes

| ### What to do:
| To work through this example, you must first complete the example Create Product Components.
| Select Start > Classification > Classes The Class mask is opened.
| Search for the Ornamental Ring Material class.
| Click on the Product Components tab.
| To change to insert mode click .
| Click in the Component Number field . The Components Number list is opened.
| Select MDL-012 from the Components Number list.
| To save the entry click .
| Classes can also be assigned to product components in the Product Component mask.