Show/Hide

shows or hides a layer, page or group.

Parameters are:

Show/Hide radio buttons: show or hide the selection below;
Layer/Page/Group radio buttons: selection of the object to be shown/hidden;
Toggle show/hide: when enabled, check if the object is hidden. If so, shows the object, if not, hides the object;
Duration: transition time from fully shown to hidden (or vice-versa);
Delay: time before the transition starts.