# ProvisioningHook
<a name="API_ProvisioningHook"></a>

Structure that contains `payloadVersion` and `targetArn`.

## Contents
<a name="API_ProvisioningHook_Contents"></a>

 ** targetArn **   <a name="iot-Type-ProvisioningHook-targetArn"></a>
The ARN of the target function.  
 *Note:* Only Lambda functions are currently supported.  
Type: String  
Length Constraints: Maximum length of 2048.  
Required: Yes

 ** payloadVersion **   <a name="iot-Type-ProvisioningHook-payloadVersion"></a>
The payload that was sent to the target function.  
 *Note:* Only Lambda functions are currently supported.  
Type: String  
Length Constraints: Minimum length of 10. Maximum length of 32.  
Pattern: `^[0-9-]+$`   
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/iot-2015-05-28/ProvisioningHook) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iot-2015-05-28/ProvisioningHook) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iot-2015-05-28/ProvisioningHook)