# ModifyAdditionalStorageVolume
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Contains details about the modification of an additional storage volume.

## Contents
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**Note**  
In the following list, the required parameters are described first.

 ** VolumeName **   
The name of the additional storage volume that you want to modify.  
Valid Values: `RDSDBDATA2 | RDSDBDATA3 | RDSDBDATA4`   
Type: String  
Required: Yes

 ** AllocatedStorage **   
The amount of storage allocated for the additional storage volume, in gibibytes (GiB). The minimum is 20 GiB. The maximum is 65,536 GiB (64 TiB).  
Type: Integer  
Required: No

 ** IOPS **   
The number of I/O operations per second (IOPS) provisioned for the additional storage volume. This setting is only supported for Provisioned IOPS SSD (`io1` and `io2`) storage types.  
Type: Integer  
Required: No

 ** MaxAllocatedStorage **   
The upper limit in gibibytes (GiB) to which RDS can automatically scale the storage of the additional storage volume. You must provide a value greater than or equal to `AllocatedStorage`.  
Type: Integer  
Required: No

 ** SetForDelete **   
Indicates whether to delete the additional storage volume. The value `true` schedules the volume for deletion. You can delete an additional storage volume only when it doesn't contain database files or other data.  
Type: Boolean  
Required: No

 ** StorageThroughput **   
The storage throughput value for the additional storage volume, in mebibytes per second (MiBps). This setting applies only to the General Purpose SSD (`gp3`) storage type.  
Type: Integer  
Required: No

 ** StorageType **   
The new storage type for the additional storage volume.  
Valid Values: `GP3 | IO2`   
Type: String  
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/rds-2014-10-31/ModifyAdditionalStorageVolume) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/rds-2014-10-31/ModifyAdditionalStorageVolume) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/rds-2014-10-31/ModifyAdditionalStorageVolume)