Capture slice view widget events

Hey all,
I would like to know if it is possible to attach a function callback on event associated with the view slice’s change in position. Basically callback on the slider i have circled in the attached screenshot.

image

Thanks!

You probably don’t want to observe GUI widget events, but changes in the slice node position. You can find an example of observing slice node changes here: https://www.slicer.org/wiki/Documentation/Nightly/ScriptRepository#Measure_angle_between_two_slice_planes