tickPositions property
An array defining where the ticks are laid out on the axis. This overrides the default behaviour of tickPixelInterval and tickInterval.
Note: When working with date-time axes, be aware of time zone handling. See the documentation on time options for best practices.
API Docs: https://api.highcharts.com/highcharts/chart.parallelAxes.tickPositions
Implementation
List<double>? tickPositions;