# 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
<a name="API_MigrationSource_SeeAlso"></a>

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) 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for Amazon OpenSearch Service. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query opensearch-service` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).