public void setExtendedStatistic(String extendedStatistic) {
        this.extendedStatistic = extendedStatistic;
    }
<p>
The extended statistic for the metric specified in <code>MetricName</code>. When you call
<code>PutMetricAlarm</code> and specify a <code>MetricName</code>, you must specify either <code>Statistic</code>
or <code>ExtendedStatistic</code> but not both.
</p>
<p>
If you specify <code>ExtendedStatistic</code>, the following are valid values:
</p>
<ul>
<li>
<p>
<code>p90</code>
</p>
</li>
<li>
<p>
<code>tm90</code>
</p>
</li>
<li>
<p>
<code>tc90</code>
</p>
</li>
<li>
<p>
<code>ts90</code>
</p>
</li>
<li>
<p>
<code>wm90</code>
</p>
</li>
<li>
<p>
<code>IQM</code>
</p>
</li>
<li>
<p>
<code>PR(<i>n</i>:<i>m</i>)</code> where n and m are values of the metric
</p>
</li>
<li>
<p>
<code>TC(<i>X</i>%:<i>X</i>%)</code> where X is between 10 and 90 inclusive.
</p>
</li>
<li>
<p>
<code>TM(<i>X</i>%:<i>X</i>%)</code> where X is between 10 and 90 inclusive.
</p>
</li>
<li>
<p>
<code>TS(<i>X</i>%:<i>X</i>%)</code> where X is between 10 and 90 inclusive.
</p>
</li>
<li>
<p>
<code>WM(<i>X</i>%:<i>X</i>%)</code> where X is between 10 and 90 inclusive.
</p>
</li>
</ul>
<p>
For more information about these extended statistics, see <a
href="https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Statistics-definitions.html">CloudWatch
statistics definitions</a>.
</p>

@param extendedStatistic
       The extended statistic for the metric specified in <code>MetricName</code>. When you call
       <code>PutMetricAlarm</code> and specify a <code>MetricName</code>, you must specify either
       <code>Statistic</code> or <code>ExtendedStatistic</code> but not both.</p>
       <p>
       If you specify <code>ExtendedStatistic</code>, the following are valid values:
       </p>
       <ul>
       <li>
       <p>
       <code>p90</code>
       </p>
       </li>
       <li>
       <p>
       <code>tm90</code>
       </p>
       </li>
       <li>
       <p>
       <code>tc90</code>
       </p>
       </li>
       <li>
       <p>
       <code>ts90</code>
       </p>
       </li>
       <li>
       <p>
       <code>wm90</code>
       </p>
       </li>
       <li>
       <p>
       <code>IQM</code>
       </p>
       </li>
       <li>
       <p>
       <code>PR(<i>n</i>:<i>m</i>)</code> where n and m are values of the metric
       </p>
       </li>
       <li>
       <p>
       <code>TC(<i>X</i>%:<i>X</i>%)</code> where X is between 10 and 90 inclusive.
       </p>
       </li>
       <li>
       <p>
       <code>TM(<i>X</i>%:<i>X</i>%)</code> where X is between 10 and 90 inclusive.
       </p>
       </li>
       <li>
       <p>
       <code>TS(<i>X</i>%:<i>X</i>%)</code> where X is between 10 and 90 inclusive.
       </p>
       </li>
       <li>
       <p>
       <code>WM(<i>X</i>%:<i>X</i>%)</code> where X is between 10 and 90 inclusive.
       </p>
       </li>
       </ul>
       <p>
       For more information about these extended statistics, see <a
       href="https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Statistics-definitions.html"
       >CloudWatch statistics definitions</a>.
aws-java-sdk-cloudwatch/src/main/java/com/amazonaws/services/cloudwatch/model/PutMetricAlarmRequest.java