How can I use Win+Shift+Alt as a hotkey in AutoHotkey?

Question

I want to activate a script with the key combination ⊞ Win + Shift + Alt . How would I do that?

This is what I have so far:

Space::
    Run, App

#Persistent
SetTimer, PressTheKey1, 500
SetTimer, PressTheKey2, 0

PressTheKey1:
    Send, {click}
Return

PressTheKey2:
    Send, {t}
Return

Escape::
    ExitApp
Return

Answer 1

To use the Win , Shift , and 4 combo as a Hotkey :

#+4::
    ; Your script here