# InstanceBlockDeviceMapping
<a name="API_devicemanagement_InstanceBlockDeviceMapping"></a>

The description of a block device mapping.

## Contents
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 ** deviceName **   <a name="Snowball-Type-devicemanagement_InstanceBlockDeviceMapping-deviceName"></a>
The block device name.  
Type: String  
Required: No

 ** ebs **   <a name="Snowball-Type-devicemanagement_InstanceBlockDeviceMapping-ebs"></a>
The parameters used to automatically set up Amazon Elastic Block Store (Amazon EBS) volumes when the instance is launched.   
Type: [EbsInstanceBlockDevice](API_devicemanagement_EbsInstanceBlockDevice.md) object  
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\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/snow-device-management-2021-08-04/InstanceBlockDeviceMapping) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/snow-device-management-2021-08-04/InstanceBlockDeviceMapping) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/snow-device-management-2021-08-04/InstanceBlockDeviceMapping) 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS Snowball. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query snowball` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).