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# AWS::IoT::MitigationAction PublishFindingToSnsParams
<a name="aws-properties-iot-mitigationaction-publishfindingtosnsparams"></a>

Parameters to define a mitigation action that publishes findings to Amazon SNS. You can implement your own custom actions in response to the Amazon SNS messages.

## Syntax
<a name="aws-properties-iot-mitigationaction-publishfindingtosnsparams-syntax"></a>

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

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

```
{
  "[TopicArn](#cfn-iot-mitigationaction-publishfindingtosnsparams-topicarn)" : String
}
```

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

```
  [TopicArn](#cfn-iot-mitigationaction-publishfindingtosnsparams-topicarn): String
```

## Properties
<a name="aws-properties-iot-mitigationaction-publishfindingtosnsparams-properties"></a>

`TopicArn`  <a name="cfn-iot-mitigationaction-publishfindingtosnsparams-topicarn"></a>
The ARN of the topic to which you want to publish the findings.  
*Required*: Yes  
*Type*: String  
*Minimum*: `11`  
*Maximum*: `2048`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)