The direction of the points transfer indicating whether points are being added or removed from an account. Data type: STRING. This field specifies whether the transaction represents a credit (points earned) or debit (points spent) operation in the rewards system. Used for understanding reward flows, calculating net point changes, and analyzing reward program participation. Example: 'credit' for points earned through activities, 'debit' for points spent on rewards or transfers. Critical for reward program analytics, user engagement tracking, and maintaining accurate point balance calculations.
