After you've created a collection, you can add additional products to it.
Add products
To add products to a collection that you've already created, complete the following steps:
Ensure that you have the required IAM roles.
In Cloud Marketplace, click Marketplace Governance.
On the Private Marketplace page, select the collection that you want to add products to.
In Add products, click + Add.
In the field that you see, enter the URL of the product's product details page, and then click Add. Cloud Marketplace retrieves the product's information.
To add the product to the collection, click Save.
Continue adding products until your collection is complete.
Click Save to save your changes to your collection.