Returns the name, Amazon Resource Name (ARN), rules, definition, and effective dates of a Cost Category that's defined in the account.
See https://www.paws-r-sdk.com/docs/costexplorer_describe_cost_category_definition/ for full documentation.
costexplorer_describe_cost_category_definition(
CostCategoryArn,
EffectiveOn = NULL
)
[required] The unique identifier for your Cost Category.
The date when the Cost Category was effective.