<function name="GetSurfaceArea" parent="PhysObj" type="classfunc"> <description>Returns the surface area of the physics object in source-units². Or nil if the PhysObj is a generated sphere or box.</description> <realm>Shared</realm> <rets> <ret name="" type="number">The surface area or nil if the PhysObj is a generated sphere or box.</ret> <ret name="" type="number|nil">The surface area or `nil` if the PhysObj is a generated sphere or box.</ret> </rets> </function>