# UpdateCustomLineItem


 Update an existing custom line item in the current or previous billing period. 

## Request Syntax


```
POST /update-custom-line-item HTTP/1.1
Content-type: application/json

{
   "Arn": "string",
   "BillingPeriodRange": { 
      "ExclusiveEndBillingPeriod": "string",
      "InclusiveStartBillingPeriod": "string"
   },
   "ChargeDetails": { 
      "Flat": { 
         "ChargeValue": number
      },
      "LineItemFilters": [ 
         { 
            "Attribute": "string",
            "AttributeValues": [ "string" ],
            "MatchOption": "string",
            "Values": [ "string" ]
         }
      ],
      "Percentage": { 
         "PercentageValue": number
      }
   },
   "Description": "string",
   "Name": "string"
}
```

## URI Request Parameters


The request does not use any URI parameters.

## Request Body


The request accepts the following data in JSON format.

 ** [Arn](#API_UpdateCustomLineItem_RequestSyntax) **   <a name="billingconductor-UpdateCustomLineItem-request-Arn"></a>
 The ARN of the custom line item to be updated.   
Type: String  
Pattern: `(arn:aws(-cn)?:billingconductor::[0-9]{12}:customlineitem/)?[a-zA-Z0-9]{10}`   
Required: Yes

 ** [BillingPeriodRange](#API_UpdateCustomLineItem_RequestSyntax) **   <a name="billingconductor-UpdateCustomLineItem-request-BillingPeriodRange"></a>
The billing period range in which the custom line item request will be applied.  
Type: [CustomLineItemBillingPeriodRange](API_CustomLineItemBillingPeriodRange.md) object  
Required: No

 ** [ChargeDetails](#API_UpdateCustomLineItem_RequestSyntax) **   <a name="billingconductor-UpdateCustomLineItem-request-ChargeDetails"></a>
 A `ListCustomLineItemChargeDetails` containing the new charge details for the custom line item.   
Type: [UpdateCustomLineItemChargeDetails](API_UpdateCustomLineItemChargeDetails.md) object  
Required: No

 ** [Description](#API_UpdateCustomLineItem_RequestSyntax) **   <a name="billingconductor-UpdateCustomLineItem-request-Description"></a>
 The new line item description of the custom line item.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Required: No

 ** [Name](#API_UpdateCustomLineItem_RequestSyntax) **   <a name="billingconductor-UpdateCustomLineItem-request-Name"></a>
 The new name for the custom line item.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[a-zA-Z0-9_\+=\.\-@]+`   
Required: No

## Response Syntax


```
HTTP/1.1 200
Content-type: application/json

{
   "Arn": "string",
   "AssociationSize": number,
   "BillingGroupArn": "string",
   "ChargeDetails": { 
      "Flat": { 
         "ChargeValue": number
      },
      "LineItemFilters": [ 
         { 
            "Attribute": "string",
            "AttributeValues": [ "string" ],
            "MatchOption": "string",
            "Values": [ "string" ]
         }
      ],
      "Percentage": { 
         "PercentageValue": number
      },
      "Type": "string"
   },
   "Description": "string",
   "LastModifiedTime": number,
   "Name": "string"
}
```

## Response Elements


If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [Arn](#API_UpdateCustomLineItem_ResponseSyntax) **   <a name="billingconductor-UpdateCustomLineItem-response-Arn"></a>
 The ARN of the successfully updated custom line item.   
Type: String  
Pattern: `(arn:aws(-cn)?:billingconductor::[0-9]{12}:customlineitem/)?[a-zA-Z0-9]{10}` 

 ** [AssociationSize](#API_UpdateCustomLineItem_ResponseSyntax) **   <a name="billingconductor-UpdateCustomLineItem-response-AssociationSize"></a>
 The number of resources that are associated to the custom line item.   
Type: Long  
Valid Range: Minimum value of 0.

 ** [BillingGroupArn](#API_UpdateCustomLineItem_ResponseSyntax) **   <a name="billingconductor-UpdateCustomLineItem-response-BillingGroupArn"></a>
 The ARN of the billing group that the custom line item is applied to.   
Type: String  
Pattern: `arn:aws(-cn)?:billingconductor::[0-9]{12}:billinggroup/[a-zA-Z0-9]{10,12}` 

 ** [ChargeDetails](#API_UpdateCustomLineItem_ResponseSyntax) **   <a name="billingconductor-UpdateCustomLineItem-response-ChargeDetails"></a>
 A `ListCustomLineItemChargeDetails` containing the charge details of the successfully updated custom line item.   
Type: [ListCustomLineItemChargeDetails](API_ListCustomLineItemChargeDetails.md) object

 ** [Description](#API_UpdateCustomLineItem_ResponseSyntax) **   <a name="billingconductor-UpdateCustomLineItem-response-Description"></a>
 The description of the successfully updated custom line item.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.

 ** [LastModifiedTime](#API_UpdateCustomLineItem_ResponseSyntax) **   <a name="billingconductor-UpdateCustomLineItem-response-LastModifiedTime"></a>
 The most recent time when the custom line item was modified.   
Type: Long

 ** [Name](#API_UpdateCustomLineItem_ResponseSyntax) **   <a name="billingconductor-UpdateCustomLineItem-response-Name"></a>
 The name of the successfully updated custom line item.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[a-zA-Z0-9_\+=\.\-@]+` 

## Errors


For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** AccessDeniedException **   
You do not have sufficient access to perform this action.   
HTTP Status Code: 403

 ** InternalServerException **   
An unexpected error occurred while processing a request.     
 ** RetryAfterSeconds **   
Number of seconds you can retry after the call. 
HTTP Status Code: 500

 ** ResourceNotFoundException **   
The request references a resource that doesn't exist.     
 ** ResourceId **   
Resource identifier that was not found.   
 ** ResourceType **   
Resource type that was not found. 
HTTP Status Code: 404

 ** ThrottlingException **   
The request was denied due to request throttling.     
 ** RetryAfterSeconds **   
Number of seconds you can safely retry after the call. 
HTTP Status Code: 429

 ** ValidationException **   
The input doesn't match with the constraints specified by AWS services.    
 ** Fields **   
The fields that caused the error, if applicable.   
 ** Reason **   
The reason the request's validation failed. 
HTTP Status Code: 400

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/billingconductor-2021-07-30/UpdateCustomLineItem) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/billingconductor-2021-07-30/UpdateCustomLineItem) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/billingconductor-2021-07-30/UpdateCustomLineItem) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/billingconductor-2021-07-30/UpdateCustomLineItem) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/billingconductor-2021-07-30/UpdateCustomLineItem) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/billingconductor-2021-07-30/UpdateCustomLineItem) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/billingconductor-2021-07-30/UpdateCustomLineItem) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/billingconductor-2021-07-30/UpdateCustomLineItem) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/billingconductor-2021-07-30/UpdateCustomLineItem) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/billingconductor-2021-07-30/UpdateCustomLineItem)