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::AppSync::ChannelNamespace HandlerConfig
<a name="aws-properties-appsync-channelnamespace-handlerconfig"></a>

The `HandlerConfig` property type specifies the configuration for the handler.

## Syntax
<a name="aws-properties-appsync-channelnamespace-handlerconfig-syntax"></a>

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

### JSON
<a name="aws-properties-appsync-channelnamespace-handlerconfig-syntax.json"></a>

```
{
  "[Behavior](#cfn-appsync-channelnamespace-handlerconfig-behavior)" : String,
  "[Integration](#cfn-appsync-channelnamespace-handlerconfig-integration)" : Integration
}
```

### YAML
<a name="aws-properties-appsync-channelnamespace-handlerconfig-syntax.yaml"></a>

```
  [Behavior](#cfn-appsync-channelnamespace-handlerconfig-behavior): String
  [Integration](#cfn-appsync-channelnamespace-handlerconfig-integration): 
    Integration
```

## Properties
<a name="aws-properties-appsync-channelnamespace-handlerconfig-properties"></a>

`Behavior`  <a name="cfn-appsync-channelnamespace-handlerconfig-behavior"></a>
The behavior for the handler.  
*Required*: Yes  
*Type*: String  
*Allowed values*: `CODE | DIRECT`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Integration`  <a name="cfn-appsync-channelnamespace-handlerconfig-integration"></a>
The integration data source configuration for the handler.  
*Required*: Yes  
*Type*: [Integration](aws-properties-appsync-channelnamespace-integration.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)