The default tables in the ‘Product Structure Editor’ app available in the role “3D Product Architect (PAU)”, share a majority of the attributes that most users will need for their daily tasks, in support of the 3D Architect. For those additional attributes that users may need, the app offers the ability to add additional attributes through Tree List View Options. This command takes advantage of both Object Type inheritance as well as Extensions (Attribute packages). 

Extensions are useful if you need to filter attributes based on how they were original deployed so is more viable to the On-Premise user than the On-Cloud user where they are less used. 
If you need a quick refresher on Extensions, review my post on the subject titled Working with Extensions.
Users will generally use ‘Type’ as their primary filter for locating specific attributes. ‘Type’ requires the users’ awareness of the attributes they want to expose as the user interface shares a superset of attributes based on the Types selected. 
 

Let’s take a look at how we can use ‘Type’ to add additional attributes to the default list in the “Product Structure Editor” app: