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# AWS::CloudFront::ContinuousDeploymentPolicy SingleHeaderPolicyConfig
<a name="aws-properties-cloudfront-continuousdeploymentpolicy-singleheaderpolicyconfig"></a>

Defines a single header policy for a CloudFront distribution.

**Note**  
This property is legacy. We recommend that you use [TrafficConfig](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cloudfront-continuousdeploymentpolicy-trafficconfig.html) and specify the [SingleHeaderConfig](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cloudfront-continuousdeploymentpolicy-trafficconfig.html#cfn-cloudfront-continuousdeploymentpolicy-trafficconfig-singleheaderconfig) property instead.

## Syntax
<a name="aws-properties-cloudfront-continuousdeploymentpolicy-singleheaderpolicyconfig-syntax"></a>

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

### JSON
<a name="aws-properties-cloudfront-continuousdeploymentpolicy-singleheaderpolicyconfig-syntax.json"></a>

```
{
  "[Header](#cfn-cloudfront-continuousdeploymentpolicy-singleheaderpolicyconfig-header)" : String,
  "[Value](#cfn-cloudfront-continuousdeploymentpolicy-singleheaderpolicyconfig-value)" : String
}
```

### YAML
<a name="aws-properties-cloudfront-continuousdeploymentpolicy-singleheaderpolicyconfig-syntax.yaml"></a>

```
  [Header](#cfn-cloudfront-continuousdeploymentpolicy-singleheaderpolicyconfig-header): String
  [Value](#cfn-cloudfront-continuousdeploymentpolicy-singleheaderpolicyconfig-value): String
```

## Properties
<a name="aws-properties-cloudfront-continuousdeploymentpolicy-singleheaderpolicyconfig-properties"></a>

`Header`  <a name="cfn-cloudfront-continuousdeploymentpolicy-singleheaderpolicyconfig-header"></a>
The name of the HTTP header that CloudFront uses to configure for the single header policy.  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `256`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Value`  <a name="cfn-cloudfront-continuousdeploymentpolicy-singleheaderpolicyconfig-value"></a>
Specifies the value to assign to the header for a single header policy.  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `1783`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)