Important: This is an early access workflow, and is available only to selected publishers to publish free Unity Package Manager (UPM) packages. To register your interest and apply for early access to UPM publishing, go to UPM Publishing on the Asset Store.
To validate a UPM package for the Asset Store, perform the following steps.
com.company.product.tools.Once the upload is successful, a link to the Publisher Portal is available, where you can continue to configure product listing. In the Product Portal you can fill in the package’s metadata details, product details, media, and submit the product for approval. For more information, refer to Submit an UPM package for approval to the Asset Store (Beta).