Как поставить HotKey в данный скрипт?

For $i = 0 to 1 Step 0
Switch MouseGetPos(0)
Case 0 to 639
Send("{d up}")
Send("{a down}")
Case 641 to 1280
Send("{a up}")
Send("{d down}")
EndSwitch
Next

#include "MouseOnEvent.au3" ; http://autoit-script.ru/index.php/topic,198.0.html

Global $isPaused = False

_MouseSetOnEvent($MOUSE_WHEELDOWN_EVENT, "_togglePause"); пауза на нажатие колёсико мыши
HotKeySet("{F2}", "_togglePause"); Пауза на клавишу F2

For $i = 0 to 1 Step 0
Switch MouseGetPos(0)
Case 0 to 639
Send("{d up}")
Send("{a down}")
Case 641 to 1280
Send("{a up}")
Send("{d down}")
EndSwitch
	While $isPaused
		Sleep(100)
	WEnd
Next

Func _togglePause()
	$isPaused = Not $isPaused
EndFunc   ;==>_togglePause