# DescribeApplicationFleetAssociations
<a name="API_DescribeApplicationFleetAssociations"></a>

Retrieves a list that describes one or more application fleet associations. Either ApplicationArn or FleetName must be specified.

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

```
{
   "ApplicationArn": "string",
   "FleetName": "string",
   "MaxResults": number,
   "NextToken": "string"
}
```

## Request Parameters
<a name="API_DescribeApplicationFleetAssociations_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.

 ** [ApplicationArn](#API_DescribeApplicationFleetAssociations_RequestSyntax) **   <a name="WorkSpacesApplications-DescribeApplicationFleetAssociations-request-ApplicationArn"></a>
The ARN of the application.  
Type: String  
Pattern: `^arn:aws(?:\-cn|\-iso\-b|\-iso|\-us\-gov)?:[A-Za-z0-9][A-Za-z0-9_/.-]{0,62}:[A-Za-z0-9_/.-]{0,63}:[A-Za-z0-9_/.-]{0,63}:[A-Za-z0-9][A-Za-z0-9:_/+=,@.\\-]{0,1023}$`   
Required: No

 ** [FleetName](#API_DescribeApplicationFleetAssociations_RequestSyntax) **   <a name="WorkSpacesApplications-DescribeApplicationFleetAssociations-request-FleetName"></a>
The name of the fleet.  
Type: String  
Pattern: `^[a-zA-Z0-9][a-zA-Z0-9_.-]{0,100}$`   
Required: No

 ** [MaxResults](#API_DescribeApplicationFleetAssociations_RequestSyntax) **   <a name="WorkSpacesApplications-DescribeApplicationFleetAssociations-request-MaxResults"></a>
The maximum size of each page of results.  
Type: Integer  
Required: No

 ** [NextToken](#API_DescribeApplicationFleetAssociations_RequestSyntax) **   <a name="WorkSpacesApplications-DescribeApplicationFleetAssociations-request-NextToken"></a>
The pagination token used to retrieve the next page of results for this operation.  
Type: String  
Length Constraints: Minimum length of 1.  
Required: No

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

```
{
   "ApplicationFleetAssociations": [ 
      { 
         "ApplicationArn": "string",
         "FleetName": "string"
      }
   ],
   "NextToken": "string"
}
```

## Response Elements
<a name="API_DescribeApplicationFleetAssociations_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.

 ** [ApplicationFleetAssociations](#API_DescribeApplicationFleetAssociations_ResponseSyntax) **   <a name="WorkSpacesApplications-DescribeApplicationFleetAssociations-response-ApplicationFleetAssociations"></a>
The application fleet associations in the list.  
Type: Array of [ApplicationFleetAssociation](API_ApplicationFleetAssociation.md) objects  
Array Members: Minimum number of 1 item. Maximum number of 25 items.

 ** [NextToken](#API_DescribeApplicationFleetAssociations_ResponseSyntax) **   <a name="WorkSpacesApplications-DescribeApplicationFleetAssociations-response-NextToken"></a>
The pagination token used to retrieve the next page of results for this operation.  
Type: String  
Length Constraints: Minimum length of 1.

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

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

 ** InvalidParameterCombinationException **   
Indicates an incorrect combination of parameters, or a missing parameter.    
 ** Message **   
The error message in the exception.
HTTP Status Code: 400

 ** OperationNotPermittedException **   
The attempted operation is not permitted.    
 ** Message **   
The error message in the exception.
HTTP Status Code: 400

## See Also
<a name="API_DescribeApplicationFleetAssociations_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/appstream-2016-12-01/DescribeApplicationFleetAssociations) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/appstream-2016-12-01/DescribeApplicationFleetAssociations) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/appstream-2016-12-01/DescribeApplicationFleetAssociations) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/appstream-2016-12-01/DescribeApplicationFleetAssociations) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/appstream-2016-12-01/DescribeApplicationFleetAssociations) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/appstream-2016-12-01/DescribeApplicationFleetAssociations) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/appstream-2016-12-01/DescribeApplicationFleetAssociations) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/appstream-2016-12-01/DescribeApplicationFleetAssociations) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/appstream-2016-12-01/DescribeApplicationFleetAssociations) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/appstream-2016-12-01/DescribeApplicationFleetAssociations)