def METHOD_NAME(self):
    # overwrite BaseChart name function to allow unique chart on value x
    chart_type = self.chart_type if self.chart_type else "chart"
    return (
        f"{self.x}_{self.y}"
        f"{'_'+self.aggregate_col if self.aggregate_col else ''}"
        f"{'_'+self.aggregate_fn if self.aggregate_fn else ''}"
        f"_{chart_type}_{self.title}"
    )