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::VirtualNode PortMapping
<a name="aws-properties-appmesh-virtualnode-portmapping"></a>

An object representing a virtual node or virtual router listener port mapping.

## Syntax
<a name="aws-properties-appmesh-virtualnode-portmapping-syntax"></a>

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

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

```
{
  "[Port](#cfn-appmesh-virtualnode-portmapping-port)" : Integer,
  "[Protocol](#cfn-appmesh-virtualnode-portmapping-protocol)" : String
}
```

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

```
  [Port](#cfn-appmesh-virtualnode-portmapping-port): Integer
  [Protocol](#cfn-appmesh-virtualnode-portmapping-protocol): String
```

## Properties
<a name="aws-properties-appmesh-virtualnode-portmapping-properties"></a>

`Port`  <a name="cfn-appmesh-virtualnode-portmapping-port"></a>
The port used for the port mapping.  
*Required*: Yes  
*Type*: Integer  
*Minimum*: `1`  
*Maximum*: `65535`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Protocol`  <a name="cfn-appmesh-virtualnode-portmapping-protocol"></a>
The protocol used for the port mapping. Specify `http`, `http2`, `grpc`, or `tcp`.  
*Required*: Yes  
*Type*: String  
*Allowed values*: `http | tcp | http2 | grpc`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)