# BlockDeviceMappingResponse
<a name="API_BlockDeviceMappingResponse"></a>

Describes a block device mapping, which defines the EBS volumes and instance store volumes to attach to an instance at launch.

## Contents
<a name="API_BlockDeviceMappingResponse_Contents"></a>

 ** deviceName **   
The device name (for example, `/dev/sdh` or `xvdh`).  
Type: String  
Required: No

 ** ebs **   
Parameters used to automatically set up EBS volumes when the instance is launched.  
Type: [EbsBlockDeviceResponse](API_EbsBlockDeviceResponse.md) object  
Required: No

 ** noDevice **   
Suppresses the specified device included in the block device mapping.  
Type: String  
Required: No

 ** virtualName **   
The virtual device name.  
Type: String  
Required: No

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

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/ec2-2016-11-15/BlockDeviceMappingResponse) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/BlockDeviceMappingResponse) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/BlockDeviceMappingResponse)