These pages outline the chart configuration options, and the methods and properties of Highcharts objects.
Feel free to search this API through the search bar or the navigation tree in the sidebar.
In case the flag is placed on a series, on what point key to place
it. Line and columns have one key, y. In range or OHLC-type series,
however, the flag can optionally be placed on the open, high,
low or close key.