chartOptions property
dynamic
chartOptions
getter/setter pair
Additional chart options to be merged into the chart before exporting to an image format. This does not apply to printing the chart via the export menu.
For example, a common use case is to add data labels to improve readability of the exported chart, or to add a printer-friendly color scheme to exported PDFs.
API Docs: https://api.highcharts.com/highcharts/exporting.chartOptions
Implementation
dynamic chartOptions;