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::AppMesh::GatewayRoute GatewayRouteSpec
<a name="aws-properties-appmesh-gatewayroute-gatewayroutespec"></a>

An object that represents a gateway route specification. Specify one gateway route type.

## Syntax
<a name="aws-properties-appmesh-gatewayroute-gatewayroutespec-syntax"></a>

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

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

```
{
  "[GrpcRoute](#cfn-appmesh-gatewayroute-gatewayroutespec-grpcroute)" : GrpcGatewayRoute,
  "[Http2Route](#cfn-appmesh-gatewayroute-gatewayroutespec-http2route)" : HttpGatewayRoute,
  "[HttpRoute](#cfn-appmesh-gatewayroute-gatewayroutespec-httproute)" : HttpGatewayRoute,
  "[Priority](#cfn-appmesh-gatewayroute-gatewayroutespec-priority)" : Integer
}
```

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

```
  [GrpcRoute](#cfn-appmesh-gatewayroute-gatewayroutespec-grpcroute): 
    GrpcGatewayRoute
  [Http2Route](#cfn-appmesh-gatewayroute-gatewayroutespec-http2route): 
    HttpGatewayRoute
  [HttpRoute](#cfn-appmesh-gatewayroute-gatewayroutespec-httproute): 
    HttpGatewayRoute
  [Priority](#cfn-appmesh-gatewayroute-gatewayroutespec-priority): Integer
```

## Properties
<a name="aws-properties-appmesh-gatewayroute-gatewayroutespec-properties"></a>

`GrpcRoute`  <a name="cfn-appmesh-gatewayroute-gatewayroutespec-grpcroute"></a>
An object that represents the specification of a gRPC gateway route.  
*Required*: No  
*Type*: [GrpcGatewayRoute](aws-properties-appmesh-gatewayroute-grpcgatewayroute.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Http2Route`  <a name="cfn-appmesh-gatewayroute-gatewayroutespec-http2route"></a>
An object that represents the specification of an HTTP/2 gateway route.  
*Required*: No  
*Type*: [HttpGatewayRoute](aws-properties-appmesh-gatewayroute-httpgatewayroute.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`HttpRoute`  <a name="cfn-appmesh-gatewayroute-gatewayroutespec-httproute"></a>
An object that represents the specification of an HTTP gateway route.  
*Required*: No  
*Type*: [HttpGatewayRoute](aws-properties-appmesh-gatewayroute-httpgatewayroute.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Priority`  <a name="cfn-appmesh-gatewayroute-gatewayroutespec-priority"></a>
The ordering of the gateway routes spec.  
*Required*: No  
*Type*: Integer  
*Minimum*: `0`  
*Maximum*: `1000`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)