public void setDatapointsToAlarm(Integer datapointsToAlarm) {
        this.datapointsToAlarm = datapointsToAlarm;
    }
<p>
The number of data points that must be breaching to trigger the alarm. This is used only if you are setting an
"M out of N" alarm. In that case, this value is the M. For more information, see <a
href="https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarm-evaluation"
>Evaluating an Alarm</a> in the <i>Amazon CloudWatch User Guide</i>.
</p>

@param datapointsToAlarm
       The number of data points that must be breaching to trigger the alarm. This is used only if you are
       setting an "M out of N" alarm. In that case, this value is the M. For more information, see <a href=
       "https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html#alarm-evaluation"
       >Evaluating an Alarm</a> in the <i>Amazon CloudWatch User Guide</i>.
aws-java-sdk-cloudwatch/src/main/java/com/amazonaws/services/cloudwatch/model/PutMetricAlarmRequest.java