# GetSynchronizationConfiguration
<a name="API_S3Files_GetSynchronizationConfiguration"></a>

Returns the synchronization configuration for the specified S3 File System, including import data rules and expiration data rules.

## Request Syntax
<a name="API_S3Files_GetSynchronizationConfiguration_RequestSyntax"></a>

```
GET /file-systems/fileSystemId/synchronization-configuration HTTP/1.1
```

## URI Request Parameters
<a name="API_S3Files_GetSynchronizationConfiguration_RequestParameters"></a>

The request uses the following URI parameters.

 ** [fileSystemId](#API_S3Files_GetSynchronizationConfiguration_RequestSyntax) **   <a name="AmazonS3-S3Files_GetSynchronizationConfiguration-request-uri-fileSystemId"></a>
The ID or Amazon Resource Name (ARN) of the S3 File System to retrieve the synchronization configuration for.  
Length Constraints: Minimum length of 0. Maximum length of 128.  
Pattern: `(arn:aws[-a-z]*:s3files:[0-9a-z-:]+:file-system/fs-[0-9a-f]{17,40}|fs-[0-9a-f]{17,40})`   
Required: Yes

## Request Body
<a name="API_S3Files_GetSynchronizationConfiguration_RequestBody"></a>

The request does not have a request body.

## Response Syntax
<a name="API_S3Files_GetSynchronizationConfiguration_ResponseSyntax"></a>

```
HTTP/1.1 200
Content-type: application/json

{
   "expirationDataRules": [ 
      { 
         "daysAfterLastAccess": number
      }
   ],
   "importDataRules": [ 
      { 
         "prefix": "string",
         "sizeLessThan": number,
         "trigger": "string"
      }
   ],
   "latestVersionNumber": number
}
```

## Response Elements
<a name="API_S3Files_GetSynchronizationConfiguration_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [expirationDataRules](#API_S3Files_GetSynchronizationConfiguration_ResponseSyntax) **   <a name="AmazonS3-S3Files_GetSynchronizationConfiguration-response-expirationDataRules"></a>
An array of expiration data rules that control when cached data expires from the file system.  
Type: Array of [ExpirationDataRule](API_S3Files_ExpirationDataRule.md) objects  
Array Members: Fixed number of 1 item.

 ** [importDataRules](#API_S3Files_GetSynchronizationConfiguration_ResponseSyntax) **   <a name="AmazonS3-S3Files_GetSynchronizationConfiguration-response-importDataRules"></a>
An array of import data rules that control how data is imported from S3 into the file system.  
Type: Array of [ImportDataRule](API_S3Files_ImportDataRule.md) objects  
Array Members: Minimum number of 1 item. Maximum number of 10 items.

 ** [latestVersionNumber](#API_S3Files_GetSynchronizationConfiguration_ResponseSyntax) **   <a name="AmazonS3-S3Files_GetSynchronizationConfiguration-response-latestVersionNumber"></a>
The version number of the synchronization configuration. Use this value with `PutSynchronizationConfiguration` to ensure optimistic concurrency control.  
Type: Integer

## Errors
<a name="API_S3Files_GetSynchronizationConfiguration_Errors"></a>

 ** InternalServerException **   
An internal server error occurred. Retry your request.    
 ** errorCode **   
The error code associated with the exception.
HTTP Status Code: 500

 ** ResourceNotFoundException **   
The specified resource was not found. Verify that the resource exists and that you have permission to access it.    
 ** errorCode **   
The error code associated with the exception.
HTTP Status Code: 404

 ** ThrottlingException **   
The request was throttled. Retry your request using exponential backoff.    
 ** errorCode **   
The error code associated with the exception.
HTTP Status Code: 429

 ** ValidationException **   
The input parameters are not valid. Check the parameter values and try again.    
 ** errorCode **   
The error code associated with the exception.
HTTP Status Code: 400

## See Also
<a name="API_S3Files_GetSynchronizationConfiguration_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/s3files-2025-05-05/GetSynchronizationConfiguration) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/s3files-2025-05-05/GetSynchronizationConfiguration) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/s3files-2025-05-05/GetSynchronizationConfiguration) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/s3files-2025-05-05/GetSynchronizationConfiguration) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/s3files-2025-05-05/GetSynchronizationConfiguration) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/s3files-2025-05-05/GetSynchronizationConfiguration) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/s3files-2025-05-05/GetSynchronizationConfiguration) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/s3files-2025-05-05/GetSynchronizationConfiguration) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/s3files-2025-05-05/GetSynchronizationConfiguration) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/s3files-2025-05-05/GetSynchronizationConfiguration)