public String getSortBy() {
        return this.sortBy;
    }
<p>
The field by which to sort the optimization jobs in the response. The default is <code>CreationTime</code>
</p>

@return The field by which to sort the optimization jobs in the response. The default is
        <code>CreationTime</code>
@see ListOptimizationJobsSortBy
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/ListOptimizationJobsRequest.java