# DescribeClusterVersions
<a name="API_DescribeClusterVersions"></a>

Returns descriptions of the available Amazon Redshift cluster versions. You can call this operation even before creating any clusters to learn more about the Amazon Redshift versions. For more information about managing clusters, go to [Amazon Redshift Clusters](https://docs.amazonaws.cn/redshift/latest/mgmt/working-with-clusters.html) in the *Amazon Redshift Cluster Management Guide*.

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

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

 ** ClusterParameterGroupFamily **   
The name of a specific cluster parameter group family to return details for.  
Constraints:  
+ Must be 1 to 255 alphanumeric characters
+ First character must be a letter
+ Cannot end with a hyphen or contain two consecutive hyphens
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** ClusterVersion **   
The specific cluster version to return.  
Example: `1.0`   
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** Marker **   
An optional parameter that specifies the starting point to return a set of response records. When the results of a [DescribeClusterVersions](#API_DescribeClusterVersions) request exceed the value specified in `MaxRecords`, Amazon returns a value in the `Marker` field of the response. You can retrieve the next set of response records by providing the returned marker value in the `Marker` parameter and retrying the request.   
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** MaxRecords **   
The maximum number of response records to return in each call. If the number of remaining response records exceeds the specified `MaxRecords` value, a value is returned in a `marker` field of the response. You can retrieve the next set of records by retrying the command with the returned marker value.   
Default: `100`   
Constraints: minimum 20, maximum 100.  
Type: Integer  
Required: No

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

The following elements are returned by the service.

 **ClusterVersions.ClusterVersion.N**   
A list of `Version` elements.   
Type: Array of [ClusterVersion](API_ClusterVersion.md) objects

 ** Marker **   
A value that indicates the starting point for the next set of response records in a subsequent request. If a value is returned in a response, you can retrieve the next set of records by providing this returned marker value in the `Marker` parameter and retrying the command. If the `Marker` field is empty, all response records have been retrieved for the request.   
Type: String  
Length Constraints: Maximum length of 2147483647.

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

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

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

### Example
<a name="API_DescribeClusterVersions_Example_1"></a>

This example illustrates one usage of DescribeClusterVersions.

#### Sample Request
<a name="API_DescribeClusterVersions_Example_1_Request"></a>

```
https://redshift.us-east-2.amazonaws.com/
    ?Action=DescribeClusterVersions
&SignatureMethod=HmacSHA256&SignatureVersion=4
&Version=2012-12-01
&X-Amz-Algorithm=AWS4-HMAC-SHA256
&X-Amz-Credential=AKIAIOSFODNN7EXAMPLE/20190817/us-east-2/redshift/aws4_request
&X-Amz-Date=20190825T160000Z
&X-Amz-SignedHeaders=content-type;host;user-agent;x-amz-content-sha256;x-amz-date
&X-Amz-Signature=0aa1234bb5cc678ddddd901ee2ff3aa45678b90c12d345e6ff789012345a6b7b
```

#### Sample Response
<a name="API_DescribeClusterVersions_Example_1_Response"></a>

```
<DescribeClusterVersionsResponse xmlns="http://redshift.amazonaws.com/doc/2012-12-01/">
  <DescribeClusterVersionsResult>
    <ClusterVersions>
      <ClusterVersion>
        <ClusterParameterGroupFamily>redshift-1.0</ClusterParameterGroupFamily>
        <Description>release db engine 1.0.54</Description>
        <ClusterVersion>1.0</ClusterVersion>
      </ClusterVersion>
    </ClusterVersions>
  </DescribeClusterVersionsResult>
  <ResponseMetadata>
    <RequestId>be41d43b-283e-11ea-8cc9-43f1872b4b75</RequestId>
  </ResponseMetadata>
</DescribeClusterVersionsResponse>
```

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

For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/redshift-2012-12-01/DescribeClusterVersions) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/redshift-2012-12-01/DescribeClusterVersions) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/redshift-2012-12-01/DescribeClusterVersions) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/redshift-2012-12-01/DescribeClusterVersions) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/redshift-2012-12-01/DescribeClusterVersions) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/redshift-2012-12-01/DescribeClusterVersions) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/redshift-2012-12-01/DescribeClusterVersions) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/redshift-2012-12-01/DescribeClusterVersions) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/redshift-2012-12-01/DescribeClusterVersions) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/redshift-2012-12-01/DescribeClusterVersions)