Referral event ID.
Revision number, which increments by 1 each time the referral event is updated. To prevent conflicting changes, the current revision must be passed when updating the referral event.
Date and time the referral event was created.
Date and time the referral event was last updated.
Event triggered when a referred friend signs up.
Event triggered when a referral is successful. For example, customer places and pays for an order.
Event triggered when an action is performed. For example, placing an order.
Event triggered when a reward is given.