# CostAllocationTagBackfillRequest
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 The cost allocation tag backfill request structure that contains metadata and details of a certain backfill.

## Contents
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 ** BackfillFrom **   <a name="awscostmanagement-Type-CostAllocationTagBackfillRequest-BackfillFrom"></a>
 The date the backfill starts from.   
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

 ** BackfillStatus **   <a name="awscostmanagement-Type-CostAllocationTagBackfillRequest-BackfillStatus"></a>
 The status of the cost allocation tag backfill request.   
Type: String  
Valid Values: `SUCCEEDED | PROCESSING | FAILED`   
Required: No

 ** CompletedAt **   <a name="awscostmanagement-Type-CostAllocationTagBackfillRequest-CompletedAt"></a>
 The backfill completion time.   
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

 ** LastUpdatedAt **   <a name="awscostmanagement-Type-CostAllocationTagBackfillRequest-LastUpdatedAt"></a>
 The time when the backfill status was last updated.   
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

 ** RequestedAt **   <a name="awscostmanagement-Type-CostAllocationTagBackfillRequest-RequestedAt"></a>
 The time when the backfill was requested.   
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

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ce-2017-10-25/CostAllocationTagBackfillRequest) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ce-2017-10-25/CostAllocationTagBackfillRequest) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ce-2017-10-25/CostAllocationTagBackfillRequest)