XL_TICK_MARKΒΆ

Specifies a type of axis tick for a chart.

Example:

from pptx.enum.chart import XL_TICK_MARK

chart.value_axis.minor_tick_mark = XL_TICK_MARK.INSIDE

CROSS
Tick mark crosses the axis
INSIDE
Tick mark appears inside the axis
NONE
No tick mark
OUTSIDE
Tick mark appears outside the axis