curl --location -g --request GET 'https://api.iotwireless.{region}.amazonaws.com/custom-metric/'
{
"metricName": "string",
"metricArn": "string",
"metricType": "string-list",
"displayName": "string",
"creationDate": "string",
"lastModifiedDate": "string"
}
string-list
, ip-address-list
, number-list
, and number
.