# UltracartClient::CouponTieredPercentOffSubtotalBasedOnMSRP ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **items** | **Array<String>** | An optional list of items of which a quantity of one or many must be purchased for coupon to be valid. If empty, all items apply toward subtotal amount. | [optional] **tiers** | [**Array<CouponTierPercent>**](CouponTierPercent.md) | A list of discount tiers. | [optional]