# lineItem/Operation #level100 #cur #finops #curfield ## Source - Category: [[Line item details]] - [AWS documentation](https://docs.aws.amazon.com/cur/latest/userguide/Lineitem-columns.html#Lineitem-details-O) ## Relevant notes ## Notes - A description of the operation that this line refer to. - The content is based on the service. On its own, operation is not clear unless you have a good knowledge of the product and services it is applied to. - RunInstance for example is the operation describing the running [[EC2]] instances