Region nodes
They can be referred to by their GUID.
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Creation
To create a region node, use the Create Menu and Create region.
Modification
When first created, they are a cube, just like a trigger node or pathfinding node.
Region nodes can be clicked and dragged, and the shape can be changed by dragging any corner.
New vertexes can be created by using the Select and Translate Tool. 
Click and drag one of the small circles along the edge of the Region Node, to create another vertex.
Each region node can be color-coded by modifying the COLOR property in the Region Node's properties panel.
Deletion
To delete a point, highlight it and click delete.
Functions
HSL functions on the client and server can return a random point inside the shape, or determine if a random point is or is not inside the node's space. Functions exist on both the server and client:
IsPointInRegion(regionNode as noderef, point as vector3) as boolean RandomPointInInRegion(regionNode as noderef) as vector3
