private var metricLine = Metric.Builder.create()
            .metricName("ConcurrentExecutions")
            .namespace("AWS/Lambda")
            .statistic("Maximum")
            .region(<REGION>)
            .account(<ACCOUNT_ID>)
            .build()

// The alarm created here will NOT be for <REGION> and <ACCOUNT_ID>, however it will be created for the account CFN is deployed in
private var alarmWidget = Alarm.Builder.create(scope,<NAME>)
                        .metric(metricLine)
                        .alarmName(<NAME>)
                        .threshold(<THRESHOLD>)
                        .evaluationPeriods(<EVALUATION_PERIOD>)
                        .build()