public ComboChartAggregatedFieldWells withCategory(DimensionField... category) {
        if (this.category == null) {
            setCategory(new java.util.ArrayList<DimensionField>(category.length));
        }
        for (DimensionField ele : category) {
            this.category.add(ele);
        }
        return this;
    }
<p>
The aggregated category field wells of a combo chart.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setCategory(java.util.Collection)} or {@link #withCategory(java.util.Collection)} if you want to override
the existing values.
</p>

@param category
       The aggregated category field wells of a combo chart.
@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/ComboChartAggregatedFieldWells.java