anybody pls help me on how to put a key to pause or close

[Neal]

Macro Macro6

Code:

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#region Recorded 7/24/2016 8:44:33 AM
int w1=act(win("CABAL" "D3D Window"))
rep
,key f
,wait 0
,key z
,wait 0
,key 1
,wait 0.3
,key f
,wait 0
,key 2
,wait 1
,key f
,wait 0
,key 3
,wait 0.5
,key z
,wait 0
,key f
,wait 0
,key 4
,wait 0.4
,key f
,wait 0
,rig 1021 689 w1 1 ;; 'CABAL'
,ifk(F12) break ;;if pressed key F12, exit the rep loop

i do this is this correct?
sorry i dont know where to put it,
it keeps running if i press f12 it didnt stop :x :x