# RegisterModelStepMetadata
<a name="API_RegisterModelStepMetadata"></a>

Metadata for a register model job step.

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

 ** Arn **   <a name="sagemaker-Type-RegisterModelStepMetadata-Arn"></a>
The Amazon Resource Name (ARN) of the model package.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 256.  
Required: No

## See Also
<a name="API_RegisterModelStepMetadata_SeeAlso"></a>

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/sagemaker-2017-07-24/RegisterModelStepMetadata) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sagemaker-2017-07-24/RegisterModelStepMetadata) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sagemaker-2017-07-24/RegisterModelStepMetadata)