coupon or promotion code. * It contains information about when the discount began, when it will end, and what it is applied to. * * Related guide: Applying discounts to subscriptions * * @property string $id The ID of the discount object. Discounts cannot be fetched by ID. Use expand[]=discounts in API calls to expand discount IDs in an array. * @property string $object String representing the object's type. Objects of the same type share the same value. * @property null|string $checkout_session The Checkout session that this coupon is applied to, if it is applied to a particular session in payment mode. Will not be present for subscription mode. * @property Coupon $coupon A coupon contains information about a percent-off or amount-off discount you might want to apply to a customer. Coupons may be applied to subscriptions, invoices, checkout sessions, quotes, and more. Coupons do not work with conventional one-off charges or payment intents. * @property null|Customer|string $customer The ID of the customer associated with this discount. * @property null|int $end If the coupon has a duration of repeating, the date that this discount will end. If the coupon has a duration of once or forever, this attribute will be null. * @property null|string $invoice The invoice that the discount's coupon was applied to, if it was applied directly to a particular invoice. * @property null|string $invoice_item The invoice item id (or invoice line item id for invoice line items of type='subscription') that the discount's coupon was applied to, if it was applied directly to a particular invoice item or invoice line item. * @property null|PromotionCode|string $promotion_code The promotion code applied to create this discount. * @property int $start Date that the coupon was applied. * @property null|string $subscription The subscription that this coupon is applied to, if it is applied to a particular subscription. * @property null|string $subscription_item The subscription item that this coupon is applied to, if it is applied to a particular subscription item. */ class Discount extends ApiResource { const OBJECT_NAME = 'discount'; }