About Class rules
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Purpose

Use the Class form to create and define new PRPC classes.

Development

As a best practice, create a new class instance rather than copy an existing instance to create new classes. You cannot alter the Keys fields (if not blank) or inheritance fields on the General tab after a Class form is first saved. You can't alter certain other fields after a concrete class contains instances.

Plan carefully before defining new classes.

Complete the General tab first.

Automatic class rule creation

You do not need to complete this form to create every new class. Several tools create classes automatically rather than through the Class form:

• Application Express
• Connector and Metadata accelerator
• Service accelerator

Also, the system automatically creates classes derived from the History- base class in certain cases.

Access

Use the Application Explorer to access the classes in your system.

Category

Class rules are part the SysAdmin category. A class rule is an instance of the Rule-Obj-Class rule type.

Database table

Class rules are always stored in the PegaRULES database as rows of the pr4_base table.

Class hierarchy concepts and terms

Atlas — Standard classes derived from the Assign- base class Atlas — Standard classes derived from the Code- base class Atlas — Standard classes derived from the Data- base class  Atlas — Standard classes derived from the Embed- base class Atlas — Standard classes derived from the Index- base class Atlas — Standard classes derived from the Link- base class Atlas — Standard classes derived from the Log- base class Atlas — Standard classes derived from the Pega- base class Atlas — Standard classes derived from the System- base class Atlas — Standard classes derived from the Work- base class

SysAdmin category
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