Administrators must add a Customize button to the Product Details widget, so the button is visible to Commerce Cloud self-service users from the Product Details page for a customizable product.
To add a Customize button to the Product Details widget:
Log in to Commerce Cloud.
Click on the menu icon.
Select Design from the menu.
Select Product Layout from the layout list.
Delete the Product Details widget from the layout.
Place a new product details widget on the layout.
Click the Settings icon for the new Product Details widget.
From the Element Library, place a Customize button on the new Product Details widget.
Publish the changes.