This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::ImageBuilder::ImageRecipe InstanceBlockDeviceMapping
<a name="aws-properties-imagebuilder-imagerecipe-instanceblockdevicemapping"></a>

Defines block device mappings for the instance used to configure your image.

## Syntax
<a name="aws-properties-imagebuilder-imagerecipe-instanceblockdevicemapping-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-imagebuilder-imagerecipe-instanceblockdevicemapping-syntax.json"></a>

```
{
  "[DeviceName](#cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-devicename)" : String,
  "[Ebs](#cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-ebs)" : EbsInstanceBlockDeviceSpecification,
  "[NoDevice](#cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-nodevice)" : String,
  "[VirtualName](#cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-virtualname)" : String
}
```

### YAML
<a name="aws-properties-imagebuilder-imagerecipe-instanceblockdevicemapping-syntax.yaml"></a>

```
  [DeviceName](#cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-devicename): String
  [Ebs](#cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-ebs): 
    EbsInstanceBlockDeviceSpecification
  [NoDevice](#cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-nodevice): String
  [VirtualName](#cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-virtualname): String
```

## Properties
<a name="aws-properties-imagebuilder-imagerecipe-instanceblockdevicemapping-properties"></a>

`DeviceName`  <a name="cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-devicename"></a>
The device to which these mappings apply.  
*Required*: No  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `1024`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`Ebs`  <a name="cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-ebs"></a>
Use to manage Amazon EBS-specific configuration for this mapping.  
*Required*: No  
*Type*: [EbsInstanceBlockDeviceSpecification](aws-properties-imagebuilder-imagerecipe-ebsinstanceblockdevicespecification.md)  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`NoDevice`  <a name="cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-nodevice"></a>
Enter an empty string to remove a mapping from the parent image.  
The following is an example of an empty string value in the `NoDevice` field.   
 `NoDevice:""`   
*Required*: No  
*Type*: String  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`VirtualName`  <a name="cfn-imagebuilder-imagerecipe-instanceblockdevicemapping-virtualname"></a>
Manages the instance ephemeral devices.  
*Required*: No  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `1024`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)