# DescribeSchemas
<a name="API_DescribeSchemas"></a>

Returns information about the schema for the specified endpoint.



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

```
{
   "EndpointArn": "string",
   "Marker": "string",
   "MaxRecords": number
}
```

## Request Parameters
<a name="API_DescribeSchemas_RequestParameters"></a>

For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [EndpointArn](#API_DescribeSchemas_RequestSyntax) **   <a name="DMS-DescribeSchemas-request-EndpointArn"></a>
The Amazon Resource Name (ARN) string that uniquely identifies the endpoint.  
Type: String  
Required: Yes

 ** [Marker](#API_DescribeSchemas_RequestSyntax) **   <a name="DMS-DescribeSchemas-request-Marker"></a>
 An optional pagination token provided by a previous request. If this parameter is specified, the response includes only records beyond the marker, up to the value specified by `MaxRecords`.   
Type: String  
Required: No

 ** [MaxRecords](#API_DescribeSchemas_RequestSyntax) **   <a name="DMS-DescribeSchemas-request-MaxRecords"></a>
 The maximum number of records to include in the response. If more records exist than the specified `MaxRecords` value, a pagination token called a marker is included in the response so that the remaining results can be retrieved.   
Default: 100  
Constraints: Minimum 20, maximum 100.  
Type: Integer  
Required: No

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

```
{
   "Marker": "string",
   "Schemas": [ "string" ]
}
```

## Response Elements
<a name="API_DescribeSchemas_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.

 ** [Marker](#API_DescribeSchemas_ResponseSyntax) **   <a name="DMS-DescribeSchemas-response-Marker"></a>
 An optional pagination token provided by a previous request. If this parameter is specified, the response includes only records beyond the marker, up to the value specified by `MaxRecords`.   
Type: String

 ** [Schemas](#API_DescribeSchemas_ResponseSyntax) **   <a name="DMS-DescribeSchemas-response-Schemas"></a>
The described schema.  
Type: Array of strings

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

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

 ** InvalidResourceStateFault **   
The resource is in a state that prevents it from being used for database migration.    
 ** message **   

HTTP Status Code: 400

 ** ResourceNotFoundFault **   
The resource could not be found.    
 ** message **   

HTTP Status Code: 400

## Examples
<a name="API_DescribeSchemas_Examples"></a>

### Example
<a name="API_DescribeSchemas_Example_1"></a>

This example illustrates one usage of DescribeSchemas.

#### Sample Request
<a name="API_DescribeSchemas_Example_1_Request"></a>

```
   
POST / HTTP/1.1
Host: dms.<region>.<domain>
x-amz-Date: <Date>
Authorization: AWS4-HMAC-SHA256 
Credential=<Credential>, 
SignedHeaders=contenttype;date;host;user-
agent;x-amz-date;x-amz-target;x-amzn-
requestid,Signature=<Signature>
User-Agent: <UserAgentString>
Content-Type: application/x-amz-json-1.1
Content-Length: <PayloadSizeBytes>
Connection: Keep-Alive
X-Amz-Target: AmazonDMSv20160101.DescribeSchemas
{
   "EndpointArn":"arn:aws:dms:us-east-
1:123456789012:endpoint:WKBULDZKUDQZIHPOUUSEH34EMU",
   "MaxRecords":0,
   "Marker":""
}
```

#### Sample Response
<a name="API_DescribeSchemas_Example_1_Response"></a>

```
 HTTP/1.1 200 OK
x-amzn-RequestId: <RequestId>
Content-Type: application/x-amz-json-1.1
Content-Length: <PayloadSizeBytes>
Date: <Date>
{
   "Schemas":[
      "testDB",
      "tmp"
   ]
}
```

## See Also
<a name="API_DescribeSchemas_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/dms-2016-01-01/DescribeSchemas) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/dms-2016-01-01/DescribeSchemas) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/dms-2016-01-01/DescribeSchemas) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/dms-2016-01-01/DescribeSchemas) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/dms-2016-01-01/DescribeSchemas) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/dms-2016-01-01/DescribeSchemas) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/dms-2016-01-01/DescribeSchemas) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/dms-2016-01-01/DescribeSchemas) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/dms-2016-01-01/DescribeSchemas) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/dms-2016-01-01/DescribeSchemas)