# SNSTopicPublishAction
<a name="API_SNSTopicPublishAction"></a>

Information required to publish the Amazon SNS message.

## Contents
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 ** targetArn **   <a name="iotevents-Type-SNSTopicPublishAction-targetArn"></a>
The ARN of the Amazon SNS target where the message is sent.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Required: Yes

 ** payload **   <a name="iotevents-Type-SNSTopicPublishAction-payload"></a>
You can configure the action payload when you send a message as an Amazon SNS push notification.  
Type: [Payload](API_Payload.md) object  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/iotevents-2018-07-27/SNSTopicPublishAction) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iotevents-2018-07-27/SNSTopicPublishAction) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iotevents-2018-07-27/SNSTopicPublishAction)