Anyone can help on this.

//BUY

ZZ:=Zig(C,17,%);
X:=BarsSince(ZZ<Ref(ZZ,-1)AND Ref(ZZ,-1)>Ref(ZZ,-2));
X1:=LASTVALUE(X)+1; {flag duration}
X2:=X1+1;
SD:=Stdev(C,X2);
PERIOD:=22;
COEF:=.1;
INTRA:=Log(H)-Log(L);
VINTRA:=Stdev(INTRA,PERIOD);
INTER:=Log(Typical())-Log(Ref(Typical(),-1));
VINTER:=Stdev(INTER,PERIOD);
CUTOFF:=COEF*(VINTER+VINTRA)*C;
MF:=C-(H+L)/2+Typical()-Ref(Typical(),-1);
FVE:=Sum(If(MF>CUTOFF, +V, If(MF <-CUTOFF, -V,0)),PERIOD)/
Mov(V,PERIOD,S)/PERIOD*100;
X1<21 and X1>2 AND {Condition 1}
Ref(LinRegSlope(C,13)/Ref(C,-13)*100,-X1)>2.2{Condition 2}
AND Ref(LinRegSlope(C,X2)/Ref(C,-X2),-1)*100<.2
AND LinRegSlope(C,X1)/Ref(C,-X1)>-1.2 {Condition 3}
AND Ref(LinRegSlope(V,X2)/Ref(V,-X2),-1)*100<-2 {Condition 4}
AND Ref(LinRegSlope(SD,X1),-1)<0 {Condition 5}
AND Stoch(20,3)>55 AND ADX(10)>30{Condition 6}
AND FVE>10 AND Fml("VFI")>-3 {Condition 7}
AND C>Ref(C,-1) AND C>O {Condition 8}

//SELL
D1:=Simulation.CurrentPositionAge; D2:=LASTVALUE(D1);
zz:=Zig(Ref(C,-D2),17,%);
X:=BarsSince(ZZ<Ref(ZZ,-1)AND Ref(ZZ,-1)>Ref(ZZ,-2));
X1:=LastValue(X)+1; {flag duration}
c1:=LLV(C,(D2+40)); {pole base}
c2:=ref(hhv(c,22),-D2); {pole top}
BREAK1:= Simulation.CurrentPositionPerformance*100;
POLE:=(C2-C1)/C1*100; {pole height %}
{EXIT CONDITIONS}
BREAK1 >1.94* Power(pole ,.724) { Exit condition 1- profit target }
OR C<REF(LLV(C,X1),-D2) { Exit condition 2 stop loss on breaking
of lower flag trendline}
OR (D2>14 AND BREAK1<.25*POLE) { Exit condition 3-inactivity }
OR (D2>3 AND C<.9*HHV(C,4)) { Exit condition 4-trailing stop loss}
OR D2>24 { Exit condition 5-time exit}

//VFI indicator

PERIOD:= Input("PERIOD FOR VFI ",5,1300,130);
COEF:=.2;
VCOEF:=Input("MAX VOLUME CUTOFF",0,50,2.5);
INTER:=Log(Typical())-Log(Ref(Typical(),-1));
VINTER:=Stdev(INTER,30);
CUTOFF:=COEF*VINTER*C;
VAVE:=Ref(Mov(V,PERIOD,S),-1);
VMAX:=VAVE*VCOEF;
VC:=If(V<VMAX,V,VMAX);
MF:=Typical()-Ref(Typical(),-1);
VFI:=Sum(If(MF>CUTOFF, +VC, If(MF <-CUTOFF, -VC,0)),PERIOD)/VAVE;
Mov(VFI,3,E);

//FVE indicator
PERIOD:= Input("PERIOD FOR FVE",5,80,22);
COEF:=Input("COEF FOR CUTOFF",0,2,.1);
INTRA:=Log(H)-Log(L);VINTRA:=Stdev(INTRA,PERIOD);
INTER:=Log(Typical())-Log(Ref(Typical(),-1));
VINTER:=Stdev(INTER,PERIOD);
CUTOFF:=COEF*(VINTER+VINTRA)*C;
MF:=C-(H+L)/2+Typical()-Ref(Typical(),-1);
FVE:=Sum(If(MF>CUTOFF, +V, If(MF <-CUTOFF, -V,0)),PERIOD)/Mov(V,PERIOD,S)/PERIOD*100;
FVE

Yes,if you can or guide me how to do.