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::AppMesh::Route HttpRouteHeader
<a name="aws-properties-appmesh-route-httprouteheader"></a>

An object that represents the HTTP header in the request.

## Syntax
<a name="aws-properties-appmesh-route-httprouteheader-syntax"></a>

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

### JSON
<a name="aws-properties-appmesh-route-httprouteheader-syntax.json"></a>

```
{
  "[Invert](#cfn-appmesh-route-httprouteheader-invert)" : Boolean,
  "[Match](#cfn-appmesh-route-httprouteheader-match)" : HeaderMatchMethod,
  "[Name](#cfn-appmesh-route-httprouteheader-name)" : String
}
```

### YAML
<a name="aws-properties-appmesh-route-httprouteheader-syntax.yaml"></a>

```
  [Invert](#cfn-appmesh-route-httprouteheader-invert): Boolean
  [Match](#cfn-appmesh-route-httprouteheader-match): 
    HeaderMatchMethod
  [Name](#cfn-appmesh-route-httprouteheader-name): String
```

## Properties
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`Invert`  <a name="cfn-appmesh-route-httprouteheader-invert"></a>
Specify `True` to match anything except the match criteria. The default value is `False`.  
*Required*: No  
*Type*: Boolean  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Match`  <a name="cfn-appmesh-route-httprouteheader-match"></a>
The `HeaderMatchMethod` object.  
*Required*: No  
*Type*: [HeaderMatchMethod](aws-properties-appmesh-route-headermatchmethod.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Name`  <a name="cfn-appmesh-route-httprouteheader-name"></a>
A name for the HTTP header in the client request that will be matched on.  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `50`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)