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# AWS::EMR::Cluster BootstrapActionConfig
<a name="aws-properties-emr-cluster-bootstrapactionconfig"></a>

`BootstrapActionConfig` is a property of `AWS::EMR::Cluster` that can be used to run bootstrap actions on EMR clusters. You can use a bootstrap action to install software and configure EC2 instances for all cluster nodes before EMR installs and configures open-source big data applications on cluster instances. For more information, see [Create Bootstrap Actions to Install Additional Software](https://docs.aws.amazon.com//emr/latest/ManagementGuide/emr-plan-bootstrap.html) in the *Amazon EMR Management Guide*.

## Syntax
<a name="aws-properties-emr-cluster-bootstrapactionconfig-syntax"></a>

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

### JSON
<a name="aws-properties-emr-cluster-bootstrapactionconfig-syntax.json"></a>

```
{
  "[Name](#cfn-emr-cluster-bootstrapactionconfig-name)" : String,
  "[ScriptBootstrapAction](#cfn-emr-cluster-bootstrapactionconfig-scriptbootstrapaction)" : ScriptBootstrapActionConfig
}
```

### YAML
<a name="aws-properties-emr-cluster-bootstrapactionconfig-syntax.yaml"></a>

```
  [Name](#cfn-emr-cluster-bootstrapactionconfig-name): String
  [ScriptBootstrapAction](#cfn-emr-cluster-bootstrapactionconfig-scriptbootstrapaction): 
    ScriptBootstrapActionConfig
```

## Properties
<a name="aws-properties-emr-cluster-bootstrapactionconfig-properties"></a>

`Name`  <a name="cfn-emr-cluster-bootstrapactionconfig-name"></a>
The name of the bootstrap action.  
*Required*: Yes  
*Type*: String  
*Pattern*: `[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*`  
*Minimum*: `0`  
*Maximum*: `256`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`ScriptBootstrapAction`  <a name="cfn-emr-cluster-bootstrapactionconfig-scriptbootstrapaction"></a>
The script run by the bootstrap action.  
*Required*: Yes  
*Type*: [ScriptBootstrapActionConfig](aws-properties-emr-cluster-scriptbootstrapactionconfig.md)  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)