find date of bar or event

periods1 = 80; 

hi = HHV( H, periods1);
bars = HHVBars( H, periods1); 

dt = DateTime();
dthigh = Ref( dt, -bars );

Filter = 1;
format = 1.2;

AddColumn(C , "close", format, -1,-1);
AddColumn(Hi, "HHV", format, -1,-1);
AddColumn(bars, "Bars", 1, -1,-1);
AddColumn(dthigh, "DateTime of HHV", [b][color=#990000]formatDateTime[/color][/b], -1,-1, 120);