src/Features/Echarts/Chart.php
public function export(bool $export = true, string $title = ' ')
    {
        return $this->options([
            'toolbox' => [
                'show'    => true,
                'feature' => [
                    'saveAsImage' => [
                        'title' => $title,
                    ],
                ],
            ],
        ]);
    }
public function export(bool $export = true, string $title = ' ')
    {
        return $this->options([
            'toolbox' => [
                'show'    => true,
                'feature' => [
                    'saveAsImage' => [
                        'title' => $title,
                    ],
                ],
            ],
        ]);
    }
public function export ( bool $ export = true , string $ title = ' ' ) { return $ this -> options ( [ 'toolbox' => [ 'show' => true , 'feature' => [ 'saveAsImage' => [ 'title' => $ title , ] , ] , ] , ] ) ; }
ALlow to export the chart.

@return self
ALlow to export the chart .