def METHOD_NAME():
    # [START list_metric_dimension_values]
    from azure.ai.metricsadvisor import MetricsAdvisorKeyCredential, MetricsAdvisorClient
    service_endpoint = os.getenv("METRICS_ADVISOR_ENDPOINT")
    subscription_key = os.getenv("METRICS_ADVISOR_SUBSCRIPTION_KEY")
    api_key = os.getenv("METRICS_ADVISOR_API_KEY")
    metric_id = os.getenv("METRICS_ADVISOR_METRIC_ID")
    dimension_name = "region"
    client = MetricsAdvisorClient(service_endpoint,
                                  MetricsAdvisorKeyCredential(subscription_key, api_key))
    results = client.list_metric_dimension_values(
        metric_id=metric_id,
        dimension_name=dimension_name,
    )
    for result in results:
        print(str(result))
    # [END list_metric_dimension_values]