What does Pega use to integrate with external systems?

Pega utilizes agents and services to integrate with external systems effectively. Agents are background processing components that can periodically execute tasks in Pega, allowing for operations like data synchronization or triggering activities to communicate with external systems. They can be scheduled to run at regular intervals, making them suitable for routine integrations.

Services, on the other hand, define how Pega applications can expose or consume integrations. This includes SOAP or REST services that allow Pega applications to interface with other systems, either receiving or sending data. By leveraging agents and services, Pega can facilitate seamless communication between its applications and the external systems, supporting various integration scenarios.

The other options do not specifically address integration mechanisms. Data types and flow focus on how data is managed within Pega applications, while components and apps refer to the modular elements used in application development. Rules and properties deal with the logic and data definitions within Pega, but they do not highlight the integration processes themselves. Thus, agents and services remain the key elements for effective integration with external systems in Pega.