var drillDownReq = {
          tableName : "TEST", //table name
               drillDownInfo : {
                   categories : [  // list of facet fields to match
                    {
                       fieldName : "facetField1", //Only records which has the path A, B, C in facetField1
                       path : ["A", "B", "C"] 
                   },
                   {
                       fieldName : "facetField2", //Only records which has the path X, Y, Z in facetField2
                       path : [ "X", "Y", "Z"]
                   }]
                   query : "field1 : value1", //Additional lucene query
                   scoreFunction : "scoreParamField * 2" //score function
};

client.drillDownSearchCount(drillDownReq, function(data) {
      console.log (data["message"]);
}, function(error) {
      console.log("error occured: " + error);  
});

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