# ListDevicePools
<a name="API_ListDevicePools"></a>

Gets information about device pools.

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

```
{
   "arn": "string",
   "nextToken": "string",
   "type": "string"
}
```

## Request Parameters
<a name="API_ListDevicePools_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.

 ** [arn](#API_ListDevicePools_RequestSyntax) **   <a name="devicefarm-ListDevicePools-request-arn"></a>
The project ARN.  
Type: String  
Length Constraints: Minimum length of 32. Maximum length of 1011.  
Pattern: `^arn:aws:devicefarm:.+`   
Required: Yes

 ** [nextToken](#API_ListDevicePools_RequestSyntax) **   <a name="devicefarm-ListDevicePools-request-nextToken"></a>
An identifier that was returned from the previous call to this operation, which can be used to return the next set of items in the list.  
Type: String  
Length Constraints: Minimum length of 4. Maximum length of 1024.  
Required: No

 ** [type](#API_ListDevicePools_RequestSyntax) **   <a name="devicefarm-ListDevicePools-request-type"></a>
The device pools' type.  
Allowed values include:  
+ CURATED: A device pool that is created and managed by AWS Device Farm.
+ PRIVATE: A device pool that is created and managed by the device pool developer.
Type: String  
Valid Values: `CURATED | PRIVATE`   
Required: No

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

```
{
   "devicePools": [ 
      { 
         "arn": "string",
         "description": "string",
         "maxDevices": number,
         "name": "string",
         "rules": [ 
            { 
               "attribute": "string",
               "operator": "string",
               "value": "string"
            }
         ],
         "type": "string"
      }
   ],
   "nextToken": "string"
}
```

## Response Elements
<a name="API_ListDevicePools_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.

 ** [devicePools](#API_ListDevicePools_ResponseSyntax) **   <a name="devicefarm-ListDevicePools-response-devicePools"></a>
Information about the device pools.  
Type: Array of [DevicePool](API_DevicePool.md) objects

 ** [nextToken](#API_ListDevicePools_ResponseSyntax) **   <a name="devicefarm-ListDevicePools-response-nextToken"></a>
If the number of items that are returned is significantly large, this is an identifier that is also returned. It can be used in a subsequent call to this operation to return the next set of items in the list.  
Type: String  
Length Constraints: Minimum length of 4. Maximum length of 1024.

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

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

 ** ArgumentException **   
An invalid argument was specified.    
 ** message **   
Any additional information about the exception.
HTTP Status Code: 400

 ** LimitExceededException **   
A limit was exceeded.    
 ** message **   
Any additional information about the exception.
HTTP Status Code: 400

 ** NotFoundException **   
The specified entity was not found.    
 ** message **   
Any additional information about the exception.
HTTP Status Code: 400

 ** ServiceAccountException **   
There was a problem with the service account.    
 ** message **   
Any additional information about the exception.
HTTP Status Code: 400

## See Also
<a name="API_ListDevicePools_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/devicefarm-2015-06-23/ListDevicePools) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/devicefarm-2015-06-23/ListDevicePools) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/devicefarm-2015-06-23/ListDevicePools) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/devicefarm-2015-06-23/ListDevicePools) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/devicefarm-2015-06-23/ListDevicePools) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/devicefarm-2015-06-23/ListDevicePools) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/devicefarm-2015-06-23/ListDevicePools) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/devicefarm-2015-06-23/ListDevicePools) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/devicefarm-2015-06-23/ListDevicePools) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/devicefarm-2015-06-23/ListDevicePools)