How to get the functionname of PMML model？ about jpmml-evaluator-spark

[hjfrank1991]

<RegressionModel functionName="classification" normalizationMethod="softmax">
    <MiningSchema>
        <MiningField name="label" usageType="target"/>
        <MiningField name="message"/>
    </MiningSchema>
    <Output>
        <OutputField name="pmml(prediction)" optype="categorical" dataType="string" isFinalResult="false"/>
        <OutputField name="prediction" optype="continuous" dataType="double" feature="transformedValue">
            <MapValues outputColumn="data:output" dataType="double">
                <FieldColumnPair field="pmml(prediction)" column="data:input"/>
                <InlineTable>
                    <row>
                        <data:input>A020901</data:input>
                        <data:output>0</data:output>
                    </row>
                    <row>
                        <data:input>A020304</data:input>
                        <data:output>1</data:output>
                    </row>
                    <row>
                        <data:input>A010903</data:input>
                        <data:output>2</data:output>
                    </row>
                    <row>
                        <data:input>A020204</data:input>
                        <data:output>3</data:output>
                    </row>
                    <row>
                        <data:input>A011603</data:input>
                        <data:output>4</data:output>
                    </row>
                    <row>
                        <data:input>A011504</data:input>
                        <data:output>5</data:output>
                    </row>
                </InlineTable>
            </MapValues>
        </OutputField>
        <OutputField name="probability(A020901)" optype="continuous" dataType="double" feature="probability" value="A020901"/>
        <OutputField name="probability(A020304)" optype="continuous" dataType="double" feature="probability" value="A020304"/>
        <OutputField name="probability(A010903)" optype="continuous" dataType="double" feature="probability" value="A010903"/>
        <OutputField name="probability(A020204)" optype="continuous" dataType="double" feature="probability" value="A020204"/>
        <OutputField name="probability(A011603)" optype="continuous" dataType="double" feature="probability" value="A011603"/>
        <OutputField name="probability(A011504)" optype="continuous" dataType="double" feature="probability" value="A011504"/>
    </Output>

[vruusmann]

First, obtain the underlying org.jpmml.evaluator.Evaluator instance via org.jpmml.evaluator.spark.PMMLTransformer#getEvaluator(). Then invoke Evaluator#getMiningFunction().