This guide provides a comprehensive framework for preparing a Request for Proposal (RFP) for customer engagement platforms. It outlines the evolving landscape of customer engagement in a connected world, emphasizing the need for brands to deliver personalized experiences across various digital channels. The document categorizes essential capabilities to evaluate in potential solutions, including Data & Identity Management, Segmentation, AI for Marketers, Cross Channel Marketing, Messaging, and Reporting & Analytics. Each category is accompanied by a detailed list of questions aimed at assessing the functionality and effectiveness of the proposed solutions. The guide stresses the importance of aligning technology investments with modern marketing needs, highlighting the shift from traditional methods to more dynamic, behavior-driven engagement strategies. It serves as a valuable resource for organizations looking to enhance their customer engagement efforts through informed decision-making in their RFP processes.