# ListInterfaceRelationships


Retrieves a paginated list of asset models that have a specific interface asset model applied to them.

## Request Syntax


```
GET /interface/interfaceAssetModelId/asset-models?maxResults=maxResults&nextToken=nextToken HTTP/1.1
```

## URI Request Parameters


The request uses the following URI parameters.

 ** [interfaceAssetModelId](#API_ListInterfaceRelationships_RequestSyntax) **   <a name="iotsitewise-ListInterfaceRelationships-request-uri-interfaceAssetModelId"></a>
The ID of the interface asset model. This can be either the actual ID in UUID format, or else externalId: followed by the external ID.  
Length Constraints: Minimum length of 13. Maximum length of 139.  
Pattern: `^(?!00000000-0000-0000-0000-000000000000)[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$|^externalId:[a-zA-Z0-9_][a-zA-Z_\-0-9.:]*[a-zA-Z0-9_]+`   
Required: Yes

 ** [maxResults](#API_ListInterfaceRelationships_RequestSyntax) **   <a name="iotsitewise-ListInterfaceRelationships-request-uri-maxResults"></a>
The maximum number of results to return for each paginated request. Default: 50  
Valid Range: Minimum value of 1. Maximum value of 250.

 ** [nextToken](#API_ListInterfaceRelationships_RequestSyntax) **   <a name="iotsitewise-ListInterfaceRelationships-request-uri-nextToken"></a>
The token to be used for the next set of paginated results.  
Length Constraints: Minimum length of 1. Maximum length of 4096.  
Pattern: `[A-Za-z0-9+/=]+` 

## Request Body


The request does not have a request body.

## Response Syntax


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

{
   "interfaceRelationshipSummaries": [ 
      { 
         "id": "string"
      }
   ],
   "nextToken": "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.

 ** [interfaceRelationshipSummaries](#API_ListInterfaceRelationships_ResponseSyntax) **   <a name="iotsitewise-ListInterfaceRelationships-response-interfaceRelationshipSummaries"></a>
A list that summarizes each interface relationship.  
Type: Array of [InterfaceRelationshipSummary](API_InterfaceRelationshipSummary.md) objects

 ** [nextToken](#API_ListInterfaceRelationships_ResponseSyntax) **   <a name="iotsitewise-ListInterfaceRelationships-response-nextToken"></a>
The token for the next set of results, or null if there are no additional results.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 4096.  
Pattern: `[A-Za-z0-9+/=]+` 

## Errors


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

 ** InternalFailureException **   
 Amazon IoT SiteWise can't process your request right now. Try again later.  
HTTP Status Code: 500

 ** InvalidRequestException **   
The request isn't valid. This can occur if your request contains malformed JSON or unsupported characters. Check your request and try again.  
HTTP Status Code: 400

 ** ResourceNotFoundException **   
The requested resource can't be found.  
HTTP Status Code: 404

 ** ThrottlingException **   
Your request exceeded a rate limit. For example, you might have exceeded the number of Amazon IoT SiteWise assets that can be created per second, the allowed number of messages per second, and so on.  
For more information, see [Quotas](https://docs.amazonaws.cn/iot-sitewise/latest/userguide/quotas.html) in the * Amazon IoT SiteWise User Guide*.  
HTTP Status Code: 429

## See Also


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/iotsitewise-2019-12-02/ListInterfaceRelationships) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/iotsitewise-2019-12-02/ListInterfaceRelationships) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/iotsitewise-2019-12-02/ListInterfaceRelationships) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/iotsitewise-2019-12-02/ListInterfaceRelationships) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/iotsitewise-2019-12-02/ListInterfaceRelationships) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/iotsitewise-2019-12-02/ListInterfaceRelationships) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/iotsitewise-2019-12-02/ListInterfaceRelationships) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/iotsitewise-2019-12-02/ListInterfaceRelationships) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/iotsitewise-2019-12-02/ListInterfaceRelationships) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/iotsitewise-2019-12-02/ListInterfaceRelationships)