The GameVolume entity was created to give entity-type controls to shapes/volumes and to offer a simple approach of multiple options within one, expandable entity.
A perfect use example of this new system was the need to use Water Volumes in flow graph. Now that you can create a Water Volume through this entity, you expose never-before available abilities, such as moving an entire water volume, large or small.
You can find the GameVolume entity under "GameCustom" in the RollupBar. By default, this entity uses a few common parameters:
Just for visibility in the editor this option defines if the area should be rendered as filled or not.
Sets if the area should be closed or if it should be just a line.
Here you define which type of volume you wish the entity to be: