As initially installed, the Pega Platform contains more than 2,200 classes. These topics describe important classes that you may encounter:
Standard classes derived from the Assign- base class
Standard classes derived from the Code- base class
Standard classes derived from the Data- base class
Standard classes derived from the Embed- base class
Standard classes derived from the Index- base class
Standard classes derived from the Link- base class
Standard classes derived from the Log- base class
Standard classes derived from the Pega- base class
Standard classes derived from the System- base class
Standard classes derived from the Work- base class