If true, this GuiObject can fire mouse events and will pass them to any GuiObjects layered underneath, while false will do neither.

The Object the surface gui uses as its base to render from. Currently, the only way to set this property is thru a script, and must exist in the workspace. This will only render if the object assigned derives from BasePart.

Specifies the amount of influence lighting has on the surface gui. A value of 0 is unlit, 1 is fully lit. Fractional values blend from unlit to lit.