The documentation portal is undergoing maintenance. During this period, you can't create any new user credentials. If you do, you'll need to recreate the user credential after the maintenance period ends.
Based on the business requirements, you can extend the Supplier 360 resources. For example, to extend business entities, you can create a business entity or a lookup business entity. After you create a business entity, you can add a business entity view. You can also add a child, field, or reference fields to an existing business entity.