How do I automatically assign Catalog Numbers? Knowledge Base > Auction How-To’s > How do I automatically assign Catalog Numbers? Last Updated: 2 years ago in Auction How-To’sCatalog Numbers can be automatically assigned when you enter a new item. To active this feature, follow these steps:1) From the Auction Dashboard, click “Edit”. 2) Scroll down until you find “Auto Assign Catalog #’s”, and click “Yes”.