Atlas — Standard properties in the @baseclass class

The standard properties in the @baseclass class are by definition available for every object in the Pega 7 Platform system. This table identifies several of these, in alphabetical order ignoring the first two characters of the name.

Many are optional or not applicable to specific applications. A few are essential control elements present in every instance of every class. Certain properties are maintained by internal facilities and are read-only () to applications.

Property	Purpose	More ...
pxCreateDateTime	Date and time that the object was first saved to the database. Not present or null for objects not yet saved.
pyDescription	Full description of an object. For rules and administrative data instances, an optional text value entered on the History tab.	Full Description
pxFlow	A system-maintained Page Group; for work items, each page identifies flow executions in process.
pxFlowCount	Not used.
pxInsName	Visible key, consisting of concatenated values of the properties identified on the  Keys tab of the class rule.	visible key
pzInsKey	Internal key of an object, known as the handle.	handle Understanding the pzInsKey property
pyLabel	For rules and data instances, corresponds to the Short Description field on the form. For work items, a description that appears on worklist display. For other classes, a text description.	Short description
pxObjClass	Class of the instance. Present on every page except classless pages.	class
pzStatus	Internal validation status of a page, valid or invalid.
pyTemporaryObject	Indicates whether a work item is to be saved into the database.	Temporary work item

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