How can i change Variables

[gogol13]

Hello, how i can change Variables in macro :]

looks like

if i click some hotkey

Code:

Tibia.SendKey(123 )

macro check

Code:

macrostatus=0

macro change to

Code:

macrostatus=1

how can i change it automatically???
i found only

Code:

VarSub(Name, Value)
VarMult(Name, Value)
VarDiv(Name, Value)
VarMod(Name, Value)

Which works like I need?