public String getAggregationId() {
        return this.aggregationId;
    }
<p>
The identifier returned by the <code>StartSessionsStatisticsAggregation</code> operation that identifies the
aggregated statistics.
</p>

@return The identifier returned by the <code>StartSessionsStatisticsAggregation</code> operation that identifies
        the aggregated statistics.
aws-java-sdk-deadline/src/main/java/com/amazonaws/services/deadline/model/GetSessionsStatisticsAggregationRequest.java