A permission-set is a collection of settings and permissions that give users additional access to objects, records, tools and features they wouldn't otherwise have through their assigned profile. In this manner, a permission-set extends a users’ functional access without making any changes to their profile. This feature allows organizations to extend access for users without additional custom profiles for unique situations or limited time periods.
A permission-set is a collection of settings and permissions that give users additional access to objects, records, tools and features they wouldn't otherwise have through their assigned profile. In this manner, a permission-set extends a users’ functional access without making any changes to their profile. This feature allows organizations to extend access for users without needing to create and administer custom profiles for unique situations or limited purposes. It also allows them to extend a user's access on a temporary basis then easily retract it when its no longer needed by a user.
For example, to give users access to a custom object, create a permission set, enable the required permissions for the object, and assign the permission set to the users. You never have to change profiles, or create a profile for a single use case. While users can have only one profile, they can have multiple permission sets.
Permission sets always extend or open-up a user's access to records, they never restrict it.