Signal should be generated when TSL line cross the price candle

Dear Sir

I tried to generate signal when TSL line cross the price candle but not succeed. Please modify the afl.

_SECTION_BEGIN(“Price”);
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) Vol " +WriteVal( V, 1.0 ) +" {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 )) ));
Plot( C, “Close”, ParamColor(“Color”, colorBlack ), styleNoTitle | ParamStyle(“Style”) | GetPriceStyle() );
if( ParamToggle(“Tooltip shows”, “All Values|Only Prices” ) )
{
ToolTip=StrFormat("Open: %g\nHigh: %g\nLow: %g\nClose: %g (%.1f%%)\nVolume: "+NumToStr( V, 1 ), O, H, L, C, SelectedValue( ROC( C, 1 )));
}
_SECTION_END();

_SECTION_BEGIN(“Priyanvada’s Price Action”);

P = ParamField( “Price field” );
CandleT=ParamToggle(“Candlestick Display”,“No|Yes”,defaultval=1 );
BarT=ParamToggle(“Bar Display”,“No|Yes”,defaultval=0 );
LineT=ParamToggle(“Line Display”,“No|Yes”,defaultval=0 );
//T3MA toggle
T3MAT=ParamToggle(“Moving Average”,“No|Yes”,defaultval=1 );
//T3MA Check Periods
T3MAP = Param(“T3MA Periods”, 46, 2, 300, 1, 10 );

function T3(price,periods)
{
s = 0.84;
e1=EMA(price,periods);
e2=EMA(e1,Periods);
e3=EMA(e2,Periods);
e4=EMA(e3,Periods);
e5=EMA(e4,Periods);
e6=EMA(e5,Periods);
c1=-sss;
c2=3ss+3sss;
c3=-6
ss-3s-3sss;
c4=1+3
s+sss+3ss;
Ti3=c1e6+c2e5+c3e4+c4e3;
return ti3;
}
T3MA = T3(P,T3MAP);
for( i = 1; i < BarCount; i++ )
{
//assignments
NvadaOpen[i] = Close[i-1];
NvadaClose[i]=Close[i];
NvadaHigh[i]=IIf(NvadaOpen[i]>=NvadaClose[i],NvadaOpen[i],NvadaClose[i]);
NvadaLow[i]=IIf(NvadaOpen[i]>=NvadaClose[i],NvadaClose[i],NvadaOpen[i]);
averagechange[i]=(NvadaOpen[i]+NvadaClose[i])/2;

//=============================
//CHECKS

//check1= uptrend and upbar as referred for last 2 bars
Check1[i]=averagechange[i]>T3MA[i] AND NvadaClose[i]>=NvadaOpen[i-2];
//check2= uptrend and downbar as referred for last 2 bars
Check2[i]=averagechange[i]>T3MA[i] AND NvadaClose[i]<NvadaOpen[i-2];

//check3= downtrend and downbar as referred for last 2 bars
Check3[i]=averagechange[i]<T3MA[i] AND NvadaClose[i]<=NvadaOpen[i-2];
//check4= downtrend and upbar as referred for last 2 bars
Check4[i]=averagechange[i]<T3MA[i] AND NvadaClose[i]>NvadaOpen[i-2];

//check5=check2 or check 4 => possible corrections!
Check5[i]=Check2[i] OR Check4[i];

//Color assignment
if(Check1[i]==1){pricolor[i] =colorGreen;}
if(Check3[i]==1){pricolor[i] =colorRed;}
if(Check5[i]==1){pricolor[i] =colorYellow;}
//Pricolor = IIf(NvadaClose>Ref(NvadaOpen,-2),colorGreen,colorRed);
}

//T3MA Display
if(T3MAT==1)
{
T3MAcolor = IIf(C>=T3MA,colorGreen,colorRed);
//Plot(T3MA,“T3MA”,T3MAcolor,styleThick);
}

no=Param( “Swing”, 12, 1, 55 );

tsl_col=ParamColor( “Color”, colorLightGrey );

res=HHV(H,no);
sup=LLV(L,no);
avd=IIf(C>Ref(res,-1),1,IIf(C<Ref(sup,-1),-1,0));
avn=ValueWhen(avd!=0,avd,1);
tsl=IIf(avn==1,sup,res);

Plot(tsl, _DEFAULT_NAME(), tsl_col, styleStaircase);

Buy=T3MAcolor==colorGreen;
Sell=T3MAcolor==colorRed;

Buy=Cross(Buy,Sell);
Buy = IIf(Ref(Buy, -1),1,0);
Sell=Cross(Sell,Buy);
Sell = IIf(Ref(Sell, -1),1,0);

Short=Sell;
Cover=Buy;

Cover=ExRem(Cover,Short);
Short=ExRem(Short,Cover);

Buy=ExRem(Buy,Sell);
Sell=ExRem(Sell,Buy);

PlotShapes(IIf(Buy , shapeUpArrow, shapeNone),colorWhite);
PlotShapes(IIf(Sell, shapeDownArrow, shapeNone),colorYellow);

SetPositionSize(100,spsShares);
ApplyStop(0,1,10,1);
//-----------end--------------

Long=Flip(Buy,Sell);
Shrt=Flip(Sell,Buy);

BuyPrice=ValueWhen(Buy,C);
SellPrice=ValueWhen(Sell,C);

Edc=(
WriteIf (Buy AND Ref(shrt,-1), " BUY @ “+C+” “,”")+
WriteIf (Sell AND Ref(Long,-1), " SEll @ “+C+” “,”")+
WriteIf(Sell , “Last Trade Profit Rs.”+(C-BuyPrice)+"","")+
WriteIf(Buy , “Last Trade Profit Rs.”+(SellPrice-C)+"",""));
_SECTION_END();

///Sound Alert///
AlertIf( Buy, “SOUND C:\Windows\Media\notify.wav”, “Audio alert”, 2 );
AlertIf( Sell, “SOUND C:\Windows\Media\notify.wav”, “Audio alert”, 2 );
AlertIf( Cover, “SOUND C:\Windows\Media\notify.wav”, “Audio alert”, 2 );
AlertIf( Short, “SOUND C:\Windows\Media\notify.wav”, “Audio alert”, 2 );

For the above condition check the corrected AFL code below

_SECTION_BEGIN("Price");
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) Vol " +WriteVal( V, 1.0 ) +" {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 )) ));
Plot( C, "Close", ParamColor("Color", colorBlack ), styleNoTitle | ParamStyle("Style") | GetPriceStyle() );
if( ParamToggle("Tooltip shows", "All Values|Only Prices" ) )
{
 ToolTip=StrFormat("Open: %g\nHigh:  %g\nLow:   %g\nClose:  %g (%.1f%%)\nVolume: "+NumToStr( V, 1 ), O, H, L, C, SelectedValue( ROC( C, 1 )));
}
_SECTION_END();

_SECTION_BEGIN("Priyanvada's Price Action");

P = ParamField( "Price field" );
CandleT=ParamToggle("Candlestick Display","No|Yes",defaultval=1 );
BarT=ParamToggle("Bar Display","No|Yes",defaultval=0 );
LineT=ParamToggle("Line Display","No|Yes",defaultval=0 );
//T3MA toggle
T3MAT=ParamToggle("Moving Average","No|Yes",defaultval=1 );
//T3MA Check Periods
T3MAP = Param("T3MA Periods", 46, 2, 300, 1, 10 );

function T3(price,periods)
{
s = 0.84;
e1=EMA(price,periods);
e2=EMA(e1,Periods);
e3=EMA(e2,Periods);
e4=EMA(e3,Periods);
e5=EMA(e4,Periods);
e6=EMA(e5,Periods);
c1=-s*s*s;
c2=3*s*s+3*s*s*s;
c3=-6*s*s-3*s-3*s*s*s;
c4=1+3*s+s*s*s+3*s*s;
Ti3=c1*e6+c2*e5+c3*e4+c4*e3;
return ti3;
}
T3MA = T3(P,T3MAP);
for( i = 1; i < BarCount; i++ )
{
//assignments
NvadaOpen[i] = Close[i-1];
NvadaClose[i]=Close[i];
NvadaHigh[i]=IIf(NvadaOpen[i]>=NvadaClose[i],NvadaOpen[i],NvadaClose[i]);
NvadaLow[i]=IIf(NvadaOpen[i]>=NvadaClose[i],NvadaClose[i],NvadaOpen[i]);
averagechange[i]=(NvadaOpen[i]+NvadaClose[i])/2;

//=============================
//CHECKS

//check1= uptrend and upbar as referred for last 2 bars
Check1[i]=averagechange[i]>T3MA[i] AND NvadaClose[i]>=NvadaOpen[i-2];
//check2= uptrend and downbar as referred for last 2 bars
Check2[i]=averagechange[i]>T3MA[i] AND NvadaClose[i]<NvadaOpen[i-2];

//check3= downtrend and downbar as referred for last 2 bars
Check3[i]=averagechange[i]<T3MA[i] AND NvadaClose[i]<=NvadaOpen[i-2];
//check4= downtrend and upbar as referred for last 2 bars
Check4[i]=averagechange[i]<T3MA[i] AND NvadaClose[i]>NvadaOpen[i-2];

//check5=check2 or check 4 => possible corrections!
Check5[i]=Check2[i] OR Check4[i];

//Color assignment
if(Check1[i]==1){pricolor[i] =colorGreen;}
if(Check3[i]==1){pricolor[i] =colorRed;}
if(Check5[i]==1){pricolor[i] =colorYellow;}
//Pricolor = IIf(NvadaClose>Ref(NvadaOpen,-2),colorGreen,colorRed);
}

//T3MA Display
if(T3MAT==1)
{
T3MAcolor = IIf(C>=T3MA,colorGreen,colorRed);
//Plot(T3MA,"T3MA",T3MAcolor,styleThick);
}

no=Param( "Swing", 12, 1, 55 );

tsl_col=ParamColor( "Color", colorLightGrey );

res=HHV(H,no);
sup=LLV(L,no);
avd=IIf(C>Ref(res,-1),1,IIf(C<Ref(sup,-1),-1,0));
avn=ValueWhen(avd!=0,avd,1);
tsl=IIf(avn==1,sup,res);

Plot(tsl, _DEFAULT_NAME(), tsl_col, styleStaircase);

Buy=Cross(LastValue(0),tsl);
Buy = IIf(Ref(Buy, -1),1,0);
Sell=Cross(tsl,LastValue(0));
Sell = IIf(Ref(Sell, -1),1,0);

Short=Sell;
Cover=Buy;

Cover=ExRem(Cover,Short);
Short=ExRem(Short,Cover);

Buy=ExRem(Buy,Sell);
Sell=ExRem(Sell,Buy);

PlotShapes(IIf(Buy , shapeUpArrow, shapeNone),colorWhite);
PlotShapes(IIf(Sell, shapeDownArrow, shapeNone),colorYellow);

SetPositionSize(100,spsShares);
ApplyStop(0,1,10,1);
//-----------end--------------

Long=Flip(Buy,Sell);
Shrt=Flip(Sell,Buy);

BuyPrice=ValueWhen(Buy,C);
SellPrice=ValueWhen(Sell,C);

Edc=(
WriteIf (Buy AND Ref(shrt,-1), " BUY @ "+C+"  ","")+
WriteIf (Sell AND Ref(Long,-1), " SEll @ "+C+"  ","")+
WriteIf(Sell , "Last Trade Profit Rs."+(C-BuyPrice)+"","")+
WriteIf(Buy  , "Last Trade Profit Rs."+(SellPrice-C)+"",""));
_SECTION_END();

///Sound Alert///
AlertIf( Buy, "SOUND C:\\Windows\\Media\\notify.wav", "Audio alert", 2 );
AlertIf( Sell, "SOUND C:\\Windows\\Media\\notify.wav", "Audio alert", 2 );
AlertIf( Cover, "SOUND C:\\Windows\\Media\\notify.wav", "Audio alert", 2 );
AlertIf( Short, "SOUND C:\\Windows\\Media\\notify.wav", "Audio alert", 2 );

Dear algo geek

The afl does not generate buy sell signals
Even though plots are given
And does not generate back test results either
Kindly help
Regards
Sadayappan subramanian