# GetDataSource
<a name="API_GetDataSource"></a>

Retrieves a `DataSource` object.

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

```
GET /v1/apis/apiId/datasources/name HTTP/1.1
```

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

The request uses the following URI parameters.

 ** [apiId](#API_GetDataSource_RequestSyntax) **   <a name="appsync-GetDataSource-request-uri-apiId"></a>
The API ID.  
Required: Yes

 ** [name](#API_GetDataSource_RequestSyntax) **   <a name="appsync-GetDataSource-request-uri-name"></a>
The name of the data source.  
Length Constraints: Minimum length of 1. Maximum length of 65536.  
Pattern: `[_A-Za-z][_0-9A-Za-z]*`   
Required: Yes

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

The request does not have a request body.

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

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

{
   "dataSource": { 
      "dataSourceArn": "string",
      "description": "string",
      "dynamodbConfig": { 
         "awsRegion": "string",
         "deltaSyncConfig": { 
            "baseTableTTL": number,
            "deltaSyncTableName": "string",
            "deltaSyncTableTTL": number
         },
         "tableName": "string",
         "useCallerCredentials": boolean,
         "versioned": boolean
      },
      "elasticsearchConfig": { 
         "awsRegion": "string",
         "endpoint": "string"
      },
      "eventBridgeConfig": { 
         "eventBusArn": "string"
      },
      "httpConfig": { 
         "authorizationConfig": { 
            "authorizationType": "string",
            "awsIamConfig": { 
               "signingRegion": "string",
               "signingServiceName": "string"
            }
         },
         "endpoint": "string"
      },
      "lambdaConfig": { 
         "lambdaFunctionArn": "string"
      },
      "metricsConfig": "string",
      "name": "string",
      "openSearchServiceConfig": { 
         "awsRegion": "string",
         "endpoint": "string"
      },
      "relationalDatabaseConfig": { 
         "rdsHttpEndpointConfig": { 
            "awsRegion": "string",
            "awsSecretStoreArn": "string",
            "databaseName": "string",
            "dbClusterIdentifier": "string",
            "schema": "string"
         },
         "relationalDatabaseSourceType": "string"
      },
      "serviceRoleArn": "string",
      "type": "string"
   }
}
```

## Response Elements
<a name="API_GetDataSource_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.

 ** [dataSource](#API_GetDataSource_ResponseSyntax) **   <a name="appsync-GetDataSource-response-dataSource"></a>
The `DataSource` object.  
Type: [DataSource](API_DataSource.md) object

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

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** BadRequestException **   
The request is not well formed. For example, a value is invalid or a required field is missing. Check the field values, and then try again.    
 ** detail **   
Provides further details for the reason behind the bad request. For reason type `CODE_ERROR`, the detail will contain a list of code errors.  
 ** reason **   
Provides context for the cause of the bad request. The only supported value is `CODE_ERROR`.
HTTP Status Code: 400

 ** ConcurrentModificationException **   
Another modification is in progress at this time and it must complete before you can make your change.  
HTTP Status Code: 409

 ** InternalFailureException **   
An internal AWS AppSync error occurred. Try your request again.  
HTTP Status Code: 500

 ** NotFoundException **   
The resource specified in the request was not found. Check the resource, and then try again.  
HTTP Status Code: 404

 ** UnauthorizedException **   
You aren't authorized to perform this operation.  
HTTP Status Code: 401

## See Also
<a name="API_GetDataSource_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/appsync-2017-07-25/GetDataSource) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/appsync-2017-07-25/GetDataSource) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/appsync-2017-07-25/GetDataSource) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/appsync-2017-07-25/GetDataSource) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/appsync-2017-07-25/GetDataSource) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/appsync-2017-07-25/GetDataSource) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/appsync-2017-07-25/GetDataSource) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/appsync-2017-07-25/GetDataSource) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/appsync-2017-07-25/GetDataSource) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/appsync-2017-07-25/GetDataSource)