appendSeries(newSerie, animate = true, overwriteInitialSeries = true) {
    const newSeries = this.w.config.series.slice()
    newSeries.push(newSerie)
    this.series.resetSeries(false)
    this.updateHelpers.revertDefaultAxisMinMax()
    return this.updateHelpers._updateSeries(
      newSeries,
      animate,
      overwriteInitialSeries
    )
  }
Allows users to append a new series after the chart has rendered.

@param {array} newSerie - New serie which will be appended to the existing series