public AggregationPartitionBy withFieldName(String fieldName) {
        setFieldName(fieldName);
        return this;
    }
<p>
The field Name for an <code>AggregationPartitionBy</code>.
</p>

@param fieldName
       The field Name for an <code>AggregationPartitionBy</code>.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/AggregationPartitionBy.java