A numeric identifier indicating which button on a Cedrus Response Pad was last pressed or released.
<xid>
xid.name.lastEventButton
Read Only
integer
None.
The following defines a valid response as the release of button number 7:
<trial example>
/ isValidResponse = { return (xid.responsebox.lastEventButton == 7 && xid.responsebox.lastEventaction == 0);}
</trial>