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

# AWS::SES::ReceiptRule AddHeaderAction
<a name="aws-properties-ses-receiptrule-addheaderaction"></a>

When included in a receipt rule, this action adds a header to the received email.

For information about adding a header using a receipt rule, see the [Amazon SES Developer Guide](https://docs.amazonaws.cn/ses/latest/dg/receiving-email-receipt-rules-console-walkthrough.html).

## Syntax
<a name="aws-properties-ses-receiptrule-addheaderaction-syntax"></a>

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

### JSON
<a name="aws-properties-ses-receiptrule-addheaderaction-syntax.json"></a>

```
{
  "[HeaderName](#cfn-ses-receiptrule-addheaderaction-headername)" : String,
  "[HeaderValue](#cfn-ses-receiptrule-addheaderaction-headervalue)" : String
}
```

### YAML
<a name="aws-properties-ses-receiptrule-addheaderaction-syntax.yaml"></a>

```
  [HeaderName](#cfn-ses-receiptrule-addheaderaction-headername): String
  [HeaderValue](#cfn-ses-receiptrule-addheaderaction-headervalue): String
```

## Properties
<a name="aws-properties-ses-receiptrule-addheaderaction-properties"></a>

`HeaderName`  <a name="cfn-ses-receiptrule-addheaderaction-headername"></a>
The name of the header to add to the incoming message. The name must contain at least one character, and can contain up to 50 characters. It consists of alphanumeric (`a–z, A–Z, 0–9`) characters and dashes.  
*Required*: Yes  
*Type*: String  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`HeaderValue`  <a name="cfn-ses-receiptrule-addheaderaction-headervalue"></a>
The content to include in the header. This value can contain up to 2048 characters. It can't contain newline (`\n`) or carriage return (`\r`) characters.  
*Required*: Yes  
*Type*: String  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)