public String getGroupByAttribute() {
        return this.groupByAttribute;
    }
<p>
The grouping attribute for the insight's findings. Indicates how to group the matching findings, and identifies
the type of item that the insight applies to. For example, if an insight is grouped by resource identifier, then
the insight produces a list of resource identifiers.
</p>

@return The grouping attribute for the insight's findings. Indicates how to group the matching findings, and
        identifies the type of item that the insight applies to. For example, if an insight is grouped by
        resource identifier, then the insight produces a list of resource identifiers.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/Insight.java