Adds media items to a specified product, either via URL or existing media ID.
NOTE: The URL is not validated and no event is triggered to indicate if the media was added successfully.
This method may require higher-level permissions than the caller has, based on their identity and roles and permissions. In these cases, you can ensure the method is called with the required level of authorization by using one of the following:
Product ID.
Sources of media items already uploaded to the Wix site.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.