From the ATG Control Center main navigation menu, select Catalog Management > Catalogs.
Select the folder in which the catalog to which you want to add a product exists.
Click the catalog to which you want to add a product, so the catalog name moves to the left-hand panel.
Select the category to which you want to add a product, so the name appears highlighted.
To create a new product, click the New Product button. To add an existing product to the current category, click Add Product.
If adding a new product, fill in the Name field (required) and any optional fields, then click OK.
The product appears as a child product of the parent category in the catalog.