Which of these selections is a required action when creating a related action?

When creating a related action in Appian, choosing the page type is indeed a required action. This is because the page type dictates how the action will be presented to the user and what format it will take. Appian provides different types of pages, such as interfaces or records, and selecting the appropriate page type is essential for ensuring that the related action is functional and meets the intended design specifications.

This choice sets the foundation for how the related action integrates within the broader application. It influences aspects such as user experience and interface design, ensuring that the related action aligns with the overall workflow and usability goals of the application. By selecting the right page type, developers can create a seamless connection between the action and the user's workflow, thus enhancing user engagement and efficiency.

Other options, while important for various aspects of Appian development, are not necessarily required actions for creating a related action. Designing the user interface, selecting performance metrics, and defining user roles all play critical roles but can be considered as part of additional considerations rather than foundational steps in the creation of a related action.