The minimum width of the participant's pupil as reported by the eye tracker.
<eyetracker> <eyetracker> <eyetracker>
This property returns the minimum width of the participant's pupil during a given trial.
The following displays the value of minpupilwidth in a text stimulus:
<text sometext>
/ items= ("height = <% eyetracker.minpupilwidth %>")
</text>