You are reading documentation for the unreleased version of Matplotlib. Try searching for the released version of this page instead?
Version 2.1.1.post1088+gf4bcca3
matplotlib
Fork me on GitHub

This Page

matplotlib.axis.XTick.pick

XTick.pick(mouseevent)

Process pick event

each child artist will fire a pick event if mouseevent is over the artist and the artist has picker set