Northern Trail Outfitters wants to connect relational data into their Journey without overloading the entry...

To efficiently pull in relational data during a journey without overloading the initial entry payload, marketers should use Data Relationships. These relationships allow Journey Builder to dynamically reference related records during a Decision Split, Lookup, or Wait Until Activity without needing to duplicate all the information at entry.

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Exact Extracts from Salesforce Documentation:

Source: Salesforce Help – Data Relationships in Contact Builder

→ "Data Relationships define how different data extensions relate to each other and allow Journey Builder to reference external data dynamically during a contact’s journey."

Source: Salesforce Help – Journey Builder Best Practices

→ "Use Contact Builder data relationships to reference additional information without overloading entry events."

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