What is necessary for a rule type in Pega?

For a rule type in Pega, being derived from the appropriate base class is essential. Each rule type operates within a specific context that is defined by its base class, which determines the rule’s core characteristics, execution environment, and the data it can access. This inheritance structure allows Pega to provide specific functionalities relevant to each rule type, ensuring that the rules operate effectively within the framework of the application. Moreover, correct base class assignment is crucial for adhering to Pega's design principles and ensuring that rules can be executed and executed correctly within the application’s ruleset hierarchy.

Being well documented, operating without inputs, or having universal accessibility are important considerations but are not fundamental requirements for the existence or functionality of a rule type itself. Documentation aids in maintenance, inputs can enhance rule functionality, and accessibility ensures that users can utilize rules, but they do not dictate the rule type's validity or operational parameters within the Pega environment.