# CostCategoryReference
A reference to a cost category containing only enough information to identify the Cost Category.
You can use this information to retrieve the full cost category information using `DescribeCostCategory`.
## Contents
** CostCategoryArn **
The unique identifier for your cost category.
Type: String
Length Constraints: Minimum length of 20. Maximum length of 2048.
Pattern: `arn:aws[-a-z0-9]*:[a-z0-9]+:[-a-z0-9]*:[0-9]{12}:[-a-zA-Z0-9/:_]+`
Required: No
** DefaultValue **
The default value for the cost category.
Type: String
Length Constraints: Minimum length of 1. Maximum length of 50.
Pattern: `^(?! )[\p{L}\p{N}\p{Z}-_]*(?
The cost category's effective end date.
Type: String
Length Constraints: Minimum length of 20. Maximum length of 25.
Pattern: `^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d(([+-]\d\d:\d\d)|Z)$`
Required: No
** EffectiveStart **
The cost category's effective start date.
Type: String
Length Constraints: Minimum length of 20. Maximum length of 25.
Pattern: `^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d(([+-]\d\d:\d\d)|Z)$`
Required: No
** Name **
The unique name of the cost category.
Type: String
Length Constraints: Minimum length of 1. Maximum length of 50.
Pattern: `^(?! )[\p{L}\p{N}\p{Z}-_]*(?
The number of rules that are associated with a specific cost category.
Type: Integer
Valid Range: Minimum value of 0.
Required: No
** ProcessingStatus **
The list of processing statuses for Cost Management products for a specific cost category.
Type: Array of [CostCategoryProcessingStatus](API_CostCategoryProcessingStatus.md) objects
Required: No
** SupportedResourceTypes **
The resource types supported by a specific cost category.
Type: Array of strings
Pattern: `^[-a-zA-Z0-9/_]+:[-a-zA-Z0-9/_]+`
Required: No
** Values **
A list of unique cost category values in a specific cost category.
Type: Array of strings
Length Constraints: Minimum length of 1. Maximum length of 50.
Pattern: `^(?! )[\p{L}\p{N}\p{Z}-_]*(?