yes
Type TSquare
Field test:TBall
EndType
Local square:TSquare
square= New TSquare
Type TBall
Field one:Int
Field two:Int
EndType
DebugStop
Local ball:Tball
ball = New tball
ball.one=3
print ball.one
square.test=ball
square.test.one=6
print ball.one
run this