Final answer:
A proposition in Pega Customer Decision Hub is a service or retention offer, including sales, cross-sell, or retention actions, targeted towards a customer to drive engagement and value.
Step-by-step explanation:
In Pega Customer Decision Hub™, a proposition refers to an offer or action targeted towards the customer. It is a decision entity that represents a service or retention offer, and can include offers for sales, cross-sell, or retention. Propositions are customer-facing actions or treatments that are presented to customers across various channels, intended to drive customer engagement and business value. They are the outcomes of the decisioning process, where based on customer data and context, the Pega platform determines which proposition is most appropriate for a particular customer at any given moment.