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::IoT::TopicRule CloudwatchLogsAction
<a name="aws-properties-iot-topicrule-cloudwatchlogsaction"></a>

Describes an action that updates a CloudWatch log.

## Syntax
<a name="aws-properties-iot-topicrule-cloudwatchlogsaction-syntax"></a>

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

### JSON
<a name="aws-properties-iot-topicrule-cloudwatchlogsaction-syntax.json"></a>

```
{
  "[BatchMode](#cfn-iot-topicrule-cloudwatchlogsaction-batchmode)" : Boolean,
  "[LogGroupName](#cfn-iot-topicrule-cloudwatchlogsaction-loggroupname)" : String,
  "[RoleArn](#cfn-iot-topicrule-cloudwatchlogsaction-rolearn)" : String
}
```

### YAML
<a name="aws-properties-iot-topicrule-cloudwatchlogsaction-syntax.yaml"></a>

```
  [BatchMode](#cfn-iot-topicrule-cloudwatchlogsaction-batchmode): Boolean
  [LogGroupName](#cfn-iot-topicrule-cloudwatchlogsaction-loggroupname): String
  [RoleArn](#cfn-iot-topicrule-cloudwatchlogsaction-rolearn): String
```

## Properties
<a name="aws-properties-iot-topicrule-cloudwatchlogsaction-properties"></a>

`BatchMode`  <a name="cfn-iot-topicrule-cloudwatchlogsaction-batchmode"></a>
Indicates whether batches of log records will be extracted and uploaded into CloudWatch.  
*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)

`LogGroupName`  <a name="cfn-iot-topicrule-cloudwatchlogsaction-loggroupname"></a>
The CloudWatch log name.  
*Required*: Yes  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`RoleArn`  <a name="cfn-iot-topicrule-cloudwatchlogsaction-rolearn"></a>
The IAM role that allows access to the CloudWatch log.  
*Required*: Yes  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)