# MigrationSource
<a name="API_MigrationSource"></a>

The source configuration for a migration, specifying the data source from which to export saved objects.

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

 ** datasourceArn **   <a name="opensearchservice-Type-MigrationSource-datasourceArn"></a>
The Amazon Resource Name (ARN) of the data source to migrate saved objects from.  
Type: String  
Length Constraints: Minimum length of 20. Maximum length of 2048.  
Pattern: `.*`   
Required: Yes

## 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\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/opensearch-2021-01-01/MigrationSource) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/opensearch-2021-01-01/MigrationSource) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/opensearch-2021-01-01/MigrationSource)