ListAssetRelationships - Amazon IoT SiteWise
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Retrieves a paginated list of asset relationships for an asset. You can use this operation to identify an asset's root asset and all associated assets between that asset and its root.

Request Syntax

GET /assets/assetId/assetRelationships?maxResults=maxResults&nextToken=nextToken&traversalType=traversalType HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.


The ID of the asset. This can be either the actual ID in UUID format, or else externalId: followed by the external ID, if it has one. For more information, see Referencing objects with external IDs in the Amazon IoT SiteWise User Guide.

Length Constraints: Minimum length of 13. Maximum length of 139.

Pattern: ^[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


The maximum number of results to return for each paginated request.

Valid Range: Minimum value of 1. Maximum value of 250.


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+/=]+


The type of traversal to use to identify asset relationships. Choose the following option:

  • PATH_TO_ROOT – Identify the asset's parent assets up to the root asset. The asset that you specify in assetId is the first result in the list of assetRelationshipSummaries, and the root asset is the last result.

Valid Values: PATH_TO_ROOT

Required: Yes

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200 Content-type: application/json { "assetRelationshipSummaries": [ { "hierarchyInfo": { "childAssetId": "string", "parentAssetId": "string" }, "relationshipType": "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.


A list that summarizes each asset relationship.

Type: Array of AssetRelationshipSummary objects


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+/=]+


For information about the errors that are common to all actions, see Common Errors.


Amazon IoT SiteWise can't process your request right now. Try again later.

HTTP Status Code: 500


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


The requested resource can't be found.

HTTP Status Code: 404


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 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: