Request Syntax URI Request Parameters Request Body Response Syntax Response Elements Errors See Also

DescribeCustomMetric

Note

The AWS IoT Device Defender detect feature will no longer be available to new customers starting August 31, 2026. If you would like to use the detect feature, sign up prior to August 31, 2026. To learn about alternatives to AWS IoT Device Defender detect, see AWS IoT Device Defender detect feature availability change. There is no change to AWS IoT Device Defender audit availability.

Gets information about a Device Defender detect custom metric.

Requires permission to access the DescribeCustomMetric action.

Request Syntax


GET /custom-metric/metricName HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

metricName

The name of the custom metric.

Length Constraints: Minimum length of 1. Maximum length of 128.

Pattern: [a-zA-Z0-9:_-]+

Required: Yes

Request Body

The request does not have a request body.

Response Syntax


HTTP/1.1 200
Content-type: application/json

{
   "creationDate": number,
   "displayName": "string",
   "lastModifiedDate": number,
   "metricArn": "string",
   "metricName": "string",
   "metricType": "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.

creationDate

The creation date of the custom metric in milliseconds since epoch.

Type: Timestamp

displayName

Field represents a friendly name in the console for the custom metric; doesn't have to be unique. Don't use this name as the metric identifier in the device metric report. Can be updated.

Type: String

Length Constraints: Maximum length of 128.

Pattern: [\p{Graph}\x20]*

lastModifiedDate

The time the custom metric was last modified in milliseconds since epoch.

Type: Timestamp

metricArn

The Amazon Resource Number (ARN) of the custom metric.

Type: String

metricName

The name of the custom metric.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 128.

Pattern: [a-zA-Z0-9:_-]+

metricType

The type of the custom metric.

Important

The type number only takes a single metric value as an input, but while submitting the metrics value in the DeviceMetrics report, it must be passed as an array with a single value.

Type: String

Valid Values: string-list | ip-address-list | number-list | number

Errors

InternalFailureException

An unexpected error has occurred.

message: The message for the exception.

HTTP Status Code: 500

InvalidRequestException

The request is not valid.

message: The message for the exception.

HTTP Status Code: 400

ResourceNotFoundException

The specified resource does not exist.

message: The message for the exception.

HTTP Status Code: 404

ThrottlingException

The rate exceeds the limit.

message: The message for the exception.

HTTP Status Code: 400