curl --location -g --request PATCH 'https://api.iotwireless.{region}.amazonaws.com/custom-metric/' \
--header 'Content-Type: application/json' \
--data-raw '{
"displayName": "string"
}'{
"metricName": "string",
"metricArn": "string",
"metricType": "string-list",
"displayName": "string",
"creationDate": "string",
"lastModifiedDate": "string"
}