1. Salesforce Loyalty Management Developer Guide, Object Relationships: The guide's data model illustrates the relationships between key objects. It shows that Loyalty Program Member has a lookup to Contact and that Loyalty Member Tier has a lookup to Loyalty Program Member. This confirms the required object chain to link a person to their tier.
2. Salesforce Help, Loyalty Management Data Model: This documentation details the standard objects in Loyalty Management. It defines Loyalty Program Member as the object representing a member's enrollment and Loyalty Member Tier as the object that tracks a member's assigned tier within a program, reinforcing their necessity for tier-based segmentation.
3. Salesforce Help, Set Up Marketing Cloud Connection for Loyalty Management: This document outlines the process of using Marketing Cloud Connect to synchronize Salesforce data. It states, "Synchronize your loyalty program data from Salesforce CRM to Marketing Cloud," which presupposes the need to select the correct objects (like Contact, Loyalty Program Member, and Loyalty Member Tier) for segmentation purposes.