click

; Declare variables to use in the script
; Track your hotkey toggle
toggle  := 0
; Set what you want your minimum time to be
minTime := 512
; Set what you want your maximum time to be
maxTime := 896
return

; Assign a hotkey to toggle your function on and off
`::
    ; Toggle your variable
    toggle := !toggle

    ; If toggle is on/1/true, start the ClickSub timer
    if (toggle = 1)
        SetTimer, ClickSub, -1
    ; If toggle is off/0/false, turn the ClickSub timer off
    Else
        SetTimer, ClickSub, Off
return

; Block of code you want to run each time
ClickSub:
    ; Send your click event
    Click

    ; Have AHK generate a random number between your min and max time
    Random, randTime, % minTime, % maxTime

    ; Use the random number to start a new timer
    SetTimer, ClickSub, % -randTime
return