# reservation/UnusedQuantity #level100 #cur #finops #curfield ## Source - Category: [[Reservation details]] - [AWS documentation](https://docs.aws.amazon.com/cur/latest/userguide/reservation-columns.html#r-U) - [[lineItem_LineItemType]]: RIFee ## Relevant notes - This line only applies to [[Reserved Instances]] ## Notes - The number of unused hours during this [[billing period]].