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UI configuration in Constellation

The UI Configuration model for Pega Platform™ applications focuses on capturing business intent in the workflow and interpreting that intent across multiple digital Channels.

Principle of Separation of Concerns

In Traditional architecture in Pega Infinity™ releases earlier than 8.7, developers built the application interface with Section Rules, dynamic layouts, skin formats, custom controls, and various property panel Configurations. The new Constellation UI model provides more flexibility, which gives developers the means to more efficiently connect front-end components with back-end APIs.

The UI layer in the Pega Constellation architecture subscribes to the Principle of Separation of Concerns, which is the software design principle that encourages software modularity by stipulating that an application should be divided into distinct parts, where each part addresses a specific concern.

UI elements

The Constellation architecture addresses the unnecessary complexity and inconsistent UI with a new UI model that you can use to author your applications with Views, templates, and widgets.

In the following image, click the + icons to learn more about UI elements:

Note: For more information about the different ways to create or update Constellation Views in App Studio, see Creating Views. For more information about the various View types and their uses, see Configuring Views. For more information about components in the Constellation design system, see Installing components.

Automatically-generated Views

For new applications that you build on the Constellation architecture with the Constellation library, the system automatically generates a set of Views that you can use to instantly begin configuring UI with App Studio.

Full Case View

The Full Case View, or the Full Case Page, represents a single Case in Pega Platform™. Optimized for almost any Case or business object, the three-pane layout accommodates a lot of information, much of which is available without scrolling or moving to other Views. 

In the following image, click the + icons to learn more about the main areas of a Full Case Page built on the Constellation design system:

In the following image, click the + icons to learn more about how you can configure the Case UI in App Studio:

Note: In App Studio, the Preview section displays only placeholder text. To preview the Case UI with data, run a Case instance. For more information about the full View and widgets, see Configuring a Full Page View.

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The Details View is a default, optional View that can render read-only Case data, such as important fields, and other information. By default, the Details View is configured to display Primary Fields. 

Note: Primary Fields are available only in the View-based Constellation architecture. For more information about Primary Fields, see Configuring Primary Fields.


The Pulse View is a default, optional View that displays Pulse, which allows users to post, view, and reply to messages in the context of this Case.


The Edit View renders a form when users click Edit. The View includes important fields to edit at any Stage of the Case.


The Create View renders a form to capture the data that is necessary to create the Case.


The List View provides controls to efficiently configure a list of Cases of this Case Type with various behaviors. The default Configuration is a list that contains all open Cases, but you can also configure the following settings:

  • Displaying lists as tables or tile-based galleries
  • Configuring different Views of the list that users can select
  • Selecting the columns to display in the list
  • Filtering, sorting, and grouping Cases and data references by criteria
  • Performing bulk Case actions on Cases in the list
  • Editing or adding new records to Cases in the list
Note: For more information about using list data in Views, see Configuring list Views.

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