ALERT: Revert Signal ver 2

Hi,

Can an alert indicator be created for this coding?

Regards,

Segie

//PRC_RevertSignal Three Line Break | indicator
//22.06.2017
//Nicolas @ www.prorealcode.com
//Sharing ProRealTime knowledge
//translated from Nanotrader

if barindex=1 then //barindex
if (close >= open) then
xtrend = 1
trend = xtrend
xu = low//close
xu1 = open
xu2 = open
xu3 = open
CL = xu
OP = xu1
LL = OP
HH = CL
else
xtrend = -1
trend = xtrend
xu = high//close
xu1 = open
xu2 = open
xu3 = open
CL = xu
OP = xu1
LL = CL
HH = OP
endif
else //barindex continue
if (xtrend = 1) then
if (high > xu) then
trend = xtrend
xu3 = xu2
xu2 = xu1
xu1 = xu
xu = high//close
CL = xu
OP = xu1
LL = OP
HH = CL
elsif (low < xu3) then
xtrend = -1
trend = xtrend
xu = low//close
xu2 = xu1
xu3 = xu1
CL = xu
OP = xu1
LL = CL
HH = OP
else
trend = xtrend
CL = CL[1]
OP = OP[1]
LL = LL[1]
HH = HH[1]
endif
else //xtrend <>1
if (high > xu3) then
xtrend = 1
trend = xtrend
xu = high//close
xu2 = xu1
xu3 = xu1
CL = xu
OP = xu1
LL = OP
HH = CL
elsif (low < xu) then
trend = xtrend
xu3 = xu2
xu2 = xu1
xu1 = xu
xu = low//close
CL = xu
OP = xu1
LL = CL
HH = OP
else
trend = xtrend
CL = CL[1]
OP = OP[1]
LL = LL[1]
HH = HH[1]
endif
endif
endif

if trend>0 then
r=0
g=200
b=0
else
r=200
g=0
b=0
endif

if trend<>trend[1] then
//BACKGROUNDCOLOR(200,200,200)
endif

RETURN CL coloured (r,g,b), xu3 coloured (r,g,b)