Use these options in ax_plotOptions.

bar_opts(horizontal = NULL, endingShape = NULL, columnWidth = NULL,
  barHeight = NULL, distributed = NULL, colors = NULL,
  dataLabels = NULL, ...)

Arguments

horizontal

Logical. This option will turn a column chart into a horiontal bar chart.

endingShape

Available Options: "flat", "rounded" or "arrow".

columnWidth

In column charts, columnWidth is the percentage of the available width in the grid-rect.

barHeight

In horizontal bar charts, barHeight is the percentage of the available height in the grid-rect.

distributed

Logical. Turn this option to make the bars discrete. Each value indicates one bar per series.

colors

A list of parameters.

dataLabels

List with fields position (available options: "top", "center" or "bottom")

...

Additional parameters.

Note

See https://apexcharts.com/docs/options/plotoptions/bar/.