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# AWS::KinesisAnalyticsV2::ApplicationCloudWatchLoggingOption
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption"></a>

Adds an Amazon CloudWatch log stream to monitor application configuration errors.

**Note**  
Only one *ApplicationCloudWatchLoggingOption* resource can be attached per application.

## Syntax
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption-syntax"></a>

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

### JSON
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption-syntax.json"></a>

```
{
  "Type" : "AWS::KinesisAnalyticsV2::ApplicationCloudWatchLoggingOption",
  "Properties" : {
      "[ApplicationName](#cfn-kinesisanalyticsv2-applicationcloudwatchloggingoption-applicationname)" : String,
      "[CloudWatchLoggingOption](#cfn-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption)" : CloudWatchLoggingOption
    }
}
```

### YAML
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption-syntax.yaml"></a>

```
Type: AWS::KinesisAnalyticsV2::ApplicationCloudWatchLoggingOption
Properties:
  [ApplicationName](#cfn-kinesisanalyticsv2-applicationcloudwatchloggingoption-applicationname): String
  [CloudWatchLoggingOption](#cfn-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption): 
    CloudWatchLoggingOption
```

## Properties
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption-properties"></a>

`ApplicationName`  <a name="cfn-kinesisanalyticsv2-applicationcloudwatchloggingoption-applicationname"></a>
The name of the application.  
*Required*: Yes  
*Type*: String  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`CloudWatchLoggingOption`  <a name="cfn-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption"></a>
Provides a description of Amazon CloudWatch logging options, including the log stream Amazon Resource Name (ARN).   
*Required*: Yes  
*Type*: [CloudWatchLoggingOption](aws-properties-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

## Return values
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption-return-values"></a>

### Fn::GetAtt
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption-return-values-fn--getatt"></a>

## Examples
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption--examples"></a>



### Create an ApplicationCloudWatchLoggingOption resource
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption--examples--Create_an_ApplicationCloudWatchLoggingOption_resource"></a>

#### JSON
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption--examples--Create_an_ApplicationCloudWatchLoggingOption_resource--json"></a>

```
{
    "BasicApplicationV2CloudWatchLoggingOption": {
        "Type": "AWS::KinesisAnalyticsV2::ApplicationCloudWatchLoggingOption",
        "Properties": {
            "ApplicationName": {
                "Ref": "BasicApplication"
            },
            "CloudWatchLoggingOption": {
                "LogStreamARN": {
                    "Fn::Join": [
                        ":",
                        [
                            "arn:aws:logs",
                            {
                                "Ref": "AWS::Region"
                            },
                            {
                                "Ref": "AWS::AccountId"
                            },
                            "log-group",
                            {
                                "Ref": "TestCWLogGroup"
                            },
                            "log-stream",
                            {
                                "Ref": "TestCWLogStream"
                            }
                        ]
                    ]
                }
            }
        }
    }
}
```

#### YAML
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption--examples--Create_an_ApplicationCloudWatchLoggingOption_resource--yaml"></a>

```
BasicApplicationV2CloudWatchLoggingOption:
  Type: AWS::KinesisAnalyticsV2::ApplicationCloudWatchLoggingOption
  Properties:
    ApplicationName:
      Ref: BasicApplication
    CloudWatchLoggingOption:
      LogStreamARN:
        Fn::Join:
        - ":"
        - - arn:aws:logs
          - Ref: AWS::Region
          - Ref: AWS::AccountId
          - log-group
          - Ref: TestCWLogGroup
          - log-stream
          - Ref: TestCWLogStream
```

## See also
<a name="aws-resource-kinesisanalyticsv2-applicationcloudwatchloggingoption--seealso"></a>
+ [AddApplicationCloudWatchLoggingOption](https://docs.aws.amazon.com/managed-flink/latest/apiv2/API_AddApplicationCloudWatchLoggingOption.html) in the *Amazon Kinesis Data Analytics API Reference*



# AWS::KinesisAnalyticsV2::ApplicationCloudWatchLoggingOption CloudWatchLoggingOption
<a name="aws-properties-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption"></a>

Provides a description of Amazon CloudWatch logging options, including the log stream Amazon Resource Name (ARN). 

## Syntax
<a name="aws-properties-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption-syntax"></a>

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

### JSON
<a name="aws-properties-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption-syntax.json"></a>

```
{
  "[LogStreamARN](#cfn-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption-logstreamarn)" : String
}
```

### YAML
<a name="aws-properties-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption-syntax.yaml"></a>

```
  [LogStreamARN](#cfn-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption-logstreamarn): String
```

## Properties
<a name="aws-properties-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption-properties"></a>

`LogStreamARN`  <a name="cfn-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption-logstreamarn"></a>
The ARN of the CloudWatch log to receive application messages.  
*Required*: Yes  
*Type*: String  
*Pattern*: `arn:.*`  
*Minimum*: `1`  
*Maximum*: `2048`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

## See also
<a name="aws-properties-kinesisanalyticsv2-applicationcloudwatchloggingoption-cloudwatchloggingoption--seealso"></a>
+ [CloudWatchLoggingOption](https://docs.aws.amazon.com/managed-flink/latest/apiv2/API_CloudWatchLoggingOption.html) in the *Amazon Kinesis Data Analytics API Reference*