In pega Class Contains the rule by which objects behave. Define rules such as properties, activities, flows, HTML forms, etc. available to other subordinate classes. Classes are organized into a hierarchy in which lower classes inherit from upper classes.A class is an instance of a Rule-Obj-Class rule.
(OR)
A group of rules related to a unit of work and it describes the rules by which the objects behave.
(OR)
A group of rules related to a unit of work and it describes the rules by which the objects behave.