The time in milliseconds between the start and finish of the last drag/drop gesture.
<trial>
The the start of the time interval is the initiation of a drag gesture. The end of the interval is when the item is successfully dropped.
The following displays the value of lastdroplatency in a text stimulus:
<text sometext>
/ items= ("last drop target = <% trial.lastdroplatency %>")
</text>