plan

record plan {
  active: bool,
  aggregate-usage: option​<plan-aggregate-usage-enum>,
  amount: option​<s32>,
  amount-decimal: option​<string>,
  billing-scheme: plan-billing-scheme-enum,
  created: s32,
  currency: string,
  id: string,
  interval: plan-interval-enum,
  interval-count: s32,
  livemode: bool,
  metadata: option​<plan-metadata>,
  nickname: option​<string>,
  object: plan-object-enum,
  product: option​<string>,
  tiers: option​<list​<plan-tier>>,
  tiers-mode: option​<plan-tiers-mode-enum>,
  transform-usage: option​<string>,
  trial-period-days: option​<s32>,
  usage-type: plan-usage-type-enum,
}