# ListTrackerConsumers
<a name="API_ListTrackerConsumers"></a>

Lists geofence collections currently associated to the given tracker resource.

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

```
POST /tracking/v0/trackers/TrackerName/list-consumers HTTP/1.1
Content-type: application/json

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

## URI Request Parameters
<a name="API_ListTrackerConsumers_RequestParameters"></a>

The request uses the following URI parameters.

 ** [TrackerName](#API_ListTrackerConsumers_RequestSyntax) **   <a name="location-ListTrackerConsumers-request-uri-TrackerName"></a>
The tracker resource whose associated geofence collections you want to list.  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Pattern: `[-._\w]+`   
Required: Yes

## Request Body
<a name="API_ListTrackerConsumers_RequestBody"></a>

The request accepts the following data in JSON format.

 ** [MaxResults](#API_ListTrackerConsumers_RequestSyntax) **   <a name="location-ListTrackerConsumers-request-MaxResults"></a>
An optional limit for the number of resources returned in a single call.   
Default value: `100`   
Type: Integer  
Valid Range: Minimum value of 1. Maximum value of 100.  
Required: No

 ** [NextToken](#API_ListTrackerConsumers_RequestSyntax) **   <a name="location-ListTrackerConsumers-request-NextToken"></a>
The pagination token specifying which page of results to return in the response. If no token is provided, the default page is the first page.   
Default value: `null`   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2000.  
Required: No

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

```
HTTP/1.1 200
Content-type: application/json

{
   "ConsumerArns": [ "string" ],
   "NextToken": "string"
}
```

## Response Elements
<a name="API_ListTrackerConsumers_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.

 ** [ConsumerArns](#API_ListTrackerConsumers_ResponseSyntax) **   <a name="location-ListTrackerConsumers-response-ConsumerArns"></a>
Contains the list of geofence collection ARNs associated to the tracker resource.  
Type: Array of strings  
Length Constraints: Minimum length of 0. Maximum length of 1600.  
Pattern: `arn(:[a-z0-9]+([.-][a-z0-9]+)*){2}(:([a-z0-9]+([.-][a-z0-9]+)*)?){2}:([^/].*)?` 

 ** [NextToken](#API_ListTrackerConsumers_ResponseSyntax) **   <a name="location-ListTrackerConsumers-response-NextToken"></a>
A pagination token indicating there are additional pages available. You can use the token in a following request to fetch the next set of results.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2000.

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

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

 ** AccessDeniedException **   
The request was denied because of insufficient access or permissions. Check with an administrator to verify your permissions.  
HTTP Status Code: 403

 ** InternalServerException **   
The request has failed to process because of an unknown server error, exception, or failure.  
HTTP Status Code: 500

 ** ResourceNotFoundException **   
The resource that you've entered was not found in your AWS account.  
HTTP Status Code: 404

 ** ThrottlingException **   
The request was denied because of request throttling.  
HTTP Status Code: 429

 ** ValidationException **   
The input failed to meet the constraints specified by the AWS service.     
 ** FieldList **   
The field where the invalid entry was detected.  
 ** Reason **   
A message with the reason for the validation exception error.
HTTP Status Code: 400

## See Also
<a name="API_ListTrackerConsumers_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/location-2020-11-19/ListTrackerConsumers) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/location-2020-11-19/ListTrackerConsumers) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/location-2020-11-19/ListTrackerConsumers) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/location-2020-11-19/ListTrackerConsumers) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/location-2020-11-19/ListTrackerConsumers) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/location-2020-11-19/ListTrackerConsumers) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/location-2020-11-19/ListTrackerConsumers) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/location-2020-11-19/ListTrackerConsumers) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/location-2020-11-19/ListTrackerConsumers) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/location-2020-11-19/ListTrackerConsumers)