# UpdateCapacityReservation
<a name="API_UpdateCapacityReservation"></a>

Updates the number of requested data processing units for the capacity reservation with the specified name.

## Request Syntax
<a name="API_UpdateCapacityReservation_RequestSyntax"></a>

```
{
   "Name": "string",
   "TargetDpus": number
}
```

## Request Parameters
<a name="API_UpdateCapacityReservation_RequestParameters"></a>

For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [Name](#API_UpdateCapacityReservation_RequestSyntax) **   <a name="athena-UpdateCapacityReservation-request-Name"></a>
The name of the capacity reservation.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[a-zA-Z0-9._-]+`   
Required: Yes

 ** [TargetDpus](#API_UpdateCapacityReservation_RequestSyntax) **   <a name="athena-UpdateCapacityReservation-request-TargetDpus"></a>
The new number of requested data processing units.  
Type: Integer  
Valid Range: Minimum value of 24.  
Required: Yes

## Response Elements
<a name="API_UpdateCapacityReservation_ResponseElements"></a>

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

## Errors
<a name="API_UpdateCapacityReservation_Errors"></a>

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

 ** InternalServerException **   
Indicates a platform issue, which may be due to a transient condition or outage.  
HTTP Status Code: 500

 ** InvalidRequestException **   
Indicates that something is wrong with the input to the request. For example, a required parameter may be missing or out of range.    
 ** AthenaErrorCode **   
The error code returned when the query execution failed to process, or when the processing request for the named query failed.
HTTP Status Code: 400

## See Also
<a name="API_UpdateCapacityReservation_SeeAlso"></a>

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/athena-2017-05-18/UpdateCapacityReservation) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/athena-2017-05-18/UpdateCapacityReservation) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/athena-2017-05-18/UpdateCapacityReservation) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/athena-2017-05-18/UpdateCapacityReservation) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/athena-2017-05-18/UpdateCapacityReservation) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/athena-2017-05-18/UpdateCapacityReservation) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/athena-2017-05-18/UpdateCapacityReservation) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/athena-2017-05-18/UpdateCapacityReservation) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/athena-2017-05-18/UpdateCapacityReservation) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/athena-2017-05-18/UpdateCapacityReservation)