Which decision component is used to import all records from an embedded 'Page List' into the strategy?

The correct choice is Data Import, as it is specifically designed to bring external data into a strategy by extracting records from a specified source. In the context of an embedded 'Page List', Data Import allows for the seamless integration of each record in that list into the decision-making process within the strategy. This component is essential for accessing and leveraging the detailed information contained in the Page List for various decisioning tasks such as risk assessment, customer segmentation, or personalized offers.

By utilizing the Data Import component, the strategy can effectively incorporate all elements of the embedded Page List, ensuring no relevant data is overlooked. This capability is crucial in complex decisioning scenarios where comprehensive data representation is needed to drive accurate and effective outcomes.

Other components listed do serve different functions within a strategy. Decision Parameters, for instance, define the inputs that can be adjusted for different decision scenarios but do not handle data importation. Data Join is utilized to combine data from multiple sources but does not focus on extracting from a singular embedded structure like a Page List. Set Property is used for modifying properties on a data page or object but also does not relate to the importing process of various records.