Sink

The Sink module causes particles to disappear when outside the region that is plugged into the sink. It can also be inverted, so that the particles disappear when they enter the region instead.

Sink Properties

Parameter	Description
Name	Lets you to rename the module.
Invert	The default behaviour of the sink is for particles to disappear when they depart the region. When inverted, the particles disappear when they enter the region instead.