sortBy 
  construct an aws.sdk.kotlin.services.costexplorer.model.SortDefinition inside the given block
The value that you want to sort the data by.
The following values are supported for Key:
SpendCoveredBySavingsPlanOnDemandCostCoveragePercentageTotalCostInstanceFamilyRegionService
The supported values for SortOrder are ASCENDING and DESCENDING.