# ListSolutionVersions


Returns a list of solution versions for the given solution. When a solution is not specified, all the solution versions associated with the account are listed. The response provides the properties for each solution version, including the Amazon Resource Name (ARN).

## Request Syntax


```
{
   "maxResults": number,
   "nextToken": "string",
   "solutionArn": "string"
}
```

## Request Parameters


The request accepts the following data in JSON format.

 ** [maxResults](#API_ListSolutionVersions_RequestSyntax) **   <a name="personalize-ListSolutionVersions-request-maxResults"></a>
The maximum number of solution versions to return.  
Type: Integer  
Valid Range: Minimum value of 1. Maximum value of 100.  
Required: No

 ** [nextToken](#API_ListSolutionVersions_RequestSyntax) **   <a name="personalize-ListSolutionVersions-request-nextToken"></a>
A token returned from the previous call to `ListSolutionVersions` for getting the next set of solution versions (if they exist).  
Type: String  
Length Constraints: Maximum length of 1500.  
Pattern: `\p{ASCII}{0,1500}`   
Required: No

 ** [solutionArn](#API_ListSolutionVersions_RequestSyntax) **   <a name="personalize-ListSolutionVersions-request-solutionArn"></a>
The Amazon Resource Name (ARN) of the solution.  
Type: String  
Length Constraints: Maximum length of 256.  
Pattern: `arn:([a-z\d-]+):personalize:.*:.*:.+`   
Required: No

## Response Syntax


```
{
   "nextToken": "string",
   "solutionVersions": [ 
      { 
         "creationDateTime": number,
         "failureReason": "string",
         "lastUpdatedDateTime": number,
         "solutionVersionArn": "string",
         "status": "string",
         "trainingMode": "string",
         "trainingType": "string"
      }
   ]
}
```

## Response Elements


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

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

 ** [nextToken](#API_ListSolutionVersions_ResponseSyntax) **   <a name="personalize-ListSolutionVersions-response-nextToken"></a>
A token for getting the next set of solution versions (if they exist).  
Type: String  
Length Constraints: Maximum length of 1500.  
Pattern: `\p{ASCII}{0,1500}` 

 ** [solutionVersions](#API_ListSolutionVersions_ResponseSyntax) **   <a name="personalize-ListSolutionVersions-response-solutionVersions"></a>
A list of solution versions describing the version properties.  
Type: Array of [SolutionVersionSummary](API_SolutionVersionSummary.md) objects  
Array Members: Maximum number of 100 items.

## Errors


 ** InvalidInputException **   
Provide a valid value for the field or parameter.  
HTTP Status Code: 400

 ** InvalidNextTokenException **   
The token is not valid.  
HTTP Status Code: 400

 ** ResourceNotFoundException **   
Could not find the specified resource.  
HTTP Status Code: 400

## See Also


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/personalize-2018-05-22/ListSolutionVersions) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/personalize-2018-05-22/ListSolutionVersions) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/personalize-2018-05-22/ListSolutionVersions) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/personalize-2018-05-22/ListSolutionVersions) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/personalize-2018-05-22/ListSolutionVersions) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/personalize-2018-05-22/ListSolutionVersions) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/personalize-2018-05-22/ListSolutionVersions) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/personalize-2018-05-22/ListSolutionVersions) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/personalize-2018-05-22/ListSolutionVersions) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/personalize-2018-05-22/ListSolutionVersions)