HELP CENTER Min-value on scale-y non zero

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script nonce="undefined" src="https://cdn.zingchart.com/zingchart.min.js"></script>
  <style></style>
</head>

<body>
  <div id='myChart'></div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"];
    var myConfig = {
      type: "bar",
      title: {
        text: 'Y-Axis Non-Zero Value'
      },
      plotarea: {
        maskTolerance: [0, 0] //prevent bars from overflowing x-axis,
      },
      scaleY: {
        minValue: null
      },
      series: [{
        values: [35, 42, 67, 89, 25, 34, 67, 85]
      }]
    };

    zingchart.bind(null, 'dataparse', function(e, oGraph) {
      var dynamicMinvalue = 0;

      // sanity checks so we don't throw console error with malformed graph JSON
      if (oGraph && oGraph.graphset && oGraph.graphset[0]) {
        if (oGraph.graphset[0].series && oGraph.graphset[0].series[0]) {
          dynamicMinvalue = oGraph.graphset[0].series[0].values.reduce(function(a, b) {
            return Math.min(a, b);
          });
          oGraph.graphset[0].scaleY.minValue = (dynamicMinvalue - 10);
        }
      }

      return oGraph;
    });

    zingchart.render({
      id: 'myChart',
      data: myConfig,
      height: 400,
      width: '100%'
    });
  </script>
</body>

</html>

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script src="https://cdn.zingchart.com/zingchart.min.js"></script>
</head>

<body>
  <div id='myChart'></div>
</body>

</html>

var myConfig = {
  type: "bar",
  title: {
    text: 'Y-Axis Non-Zero Value'
  },
  plotarea: {
    maskTolerance: [0, 0] //prevent bars from overflowing x-axis,
  },
  scaleY: {
    minValue: null
  },
  series: [{
    values: [35, 42, 67, 89, 25, 34, 67, 85]
  }]
};

zingchart.bind(null, 'dataparse', function(e, oGraph) {
  var dynamicMinvalue = 0;

  // sanity checks so we don't throw console error with malformed graph JSON
  if (oGraph && oGraph.graphset && oGraph.graphset[0]) {
    if (oGraph.graphset[0].series && oGraph.graphset[0].series[0]) {
      dynamicMinvalue = oGraph.graphset[0].series[0].values.reduce(function(a, b) {
        return Math.min(a, b);
      });
      oGraph.graphset[0].scaleY.minValue = (dynamicMinvalue - 10);
    }
  }

  return oGraph;
});

zingchart.render({
  id: 'myChart',
  data: myConfig,
  height: 400,
  width: '100%'
});