How can i listen onchange event in TutorialCoachMark

[kingkarki]

How can i listen onchange event in TutorialCoachMark

I wanna listen TutorialCoachMark when targets changed from controller. i see there is no any options how can i do that i try with this event onClickTarget and onFinish this but not work

if (currentIndex.value < index) { tutorialController?.next(); } else { tutorialController?.previous(); }