name : describe-custom-metric.rst **To get information about a Device Defender custom metric** The following ``describe-custom-metric`` example gets information about a custom metric named ``myCustomMetric``. :: aws iot describe-custom-metric \ --metric-name myCustomMetric Output:: { "metricName": "myCustomMetric", "metricArn": "arn:aws:iot:us-east-1:1234564789012:custommetric/myCustomMetric", "metricType": "number", "displayName": "My custom metric", "creationDate": 2020-11-17T23:02:12.879000-09:00, "lastModifiedDate": 2020-11-17T23:02:12.879000-09:00 } For more information, see `Custom metrics <https://docs.aws.amazon.com/iot/latest/developerguide/dd-detect-custom-metrics.html>`__ in the *AWS IoT Core Developer Guide*.