# VoucherifySdk::EarningRuleProportionalOrderItemsSubtotalAmount ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **type** | **String** | Defines how the points will be added to the loyalty card.PROPORTIONAL adds points based on a pre-defined ratio. | [default to 'PROPORTIONAL'] | | **calculation_type** | **String** | ORDER_ITEMS_SUBTOTAL_AMOUNT; Amount spent on items defined in the order_items.subtotal_amount.object & .id (X points for every Y spent on items including discounts) | [default to 'ORDER_ITEMS_SUBTOTAL_AMOUNT'] | | **order_items** | [**EarningRuleProportionalOrderItemsSubtotalAmountOrderItems**](EarningRuleProportionalOrderItemsSubtotalAmountOrderItems.md) | | |