Which automation capability helps in integrating multiple data sources in Appian?

Smart Services are designed to enable integration with various data sources within Appian. They serve as pre-built functionalities that allow users to perform specific tasks, including importing, exporting, and manipulating data from different systems. By using Smart Services, analysts can streamline workflows and ensure that information from multiple databases, APIs, and other sources can be seamlessly integrated into Appian applications.

This capability is crucial for businesses that rely on data from various platforms, as it facilitates the automation of processes that require data from different origins, enhancing the overall efficiency of applications. Smart Services allow for real-time data processing and management, which is essential for making informed decisions based on comprehensive data.

In contrast, other options such as Active Data, Record Events, and Site Configuration serve different purposes. Active Data focuses on maintaining data in memory to improve performance, Record Events deals with event-driven activities for records in the application, and Site Configuration pertains to setting up the user interface and navigation of the application. Therefore, Smart Services are specifically tailored for the integration of multiple data sources, making them the correct choice for this question.