Rules
Pricing, qualifications, penalties, accumulated facts and recurring charges.
Rule engines evaluate conditions against member, aircraft and flight data, and serve both pricing and qualifications.
Pricing Rules
Flight pricing — a flight's price is the sum of every matching rule, each one driven by condition branches (if … else …) and versioned by effective date.
Qualification Rules
The same condition mechanism as pricing, used to assess member eligibility — rules that aren't met show up as qualification alerts.
Penalties
Penalty rules for a negative balance — a monthly charge on outstanding debt, levied as a percentage of the amount owed or a fixed rate.
Accumulated Facts
Definitions of metrics over a member's flight history that rules reference in their conditions.
Periodic Transactions
Recurring charges or credits on a schedule, shown as schedule cards, with a next-runs preview in the form.