Each transaction record includes multiple fields detailing the impact a transaction has on a GPA.
amountfield of a transaction record is always positive, regardless of balance impact.
gpa.impacted_amountfield of a transaction record is positive when funds flow into the GPA and negative when funds flow out of the GPA. For example, authorizations have a negative
impacted_amount, while refunds and chargebacks have a positive
impacted_amount. However, the
amountin both cases is positive.