A consultant is assisting a nonprofit in its data integration and mapping between two systems.

https://powerofus.force.com/s/article/NPSP-Which-Version-Am-I-Using

When a consultant is unsure when a particular field was added to NPSP, they can find the NPSP version number for the field in the NPSP Data Dictionary. Here’s why:

NPSP Data Dictionary:

The NPSP Data Dictionary provides comprehensive details about all fields, objects, and components within the NPSP package.

It includes information on when fields were introduced, their data types, descriptions, and related objects, making it the best resource for tracking the history of specific fields.

Salesforce NPSP Data Dictionary Documentation

Salesforce Nonprofit Success Pack Release Notes