[Layout]
Name=Envelopes

[Window1]
Size=100
Overlay1=Price|Candle
Overlay2=EnvelopeHigh|LineDot|Olive|3
Overlay3=EnvelopeLow|LineDot|Orange|3
Overlay4=$LowTxt|TxtDown|Red
Overlay5=$HighTxt|TxtUp|Olive

Formula:
If Equal(BarCounter,LastLowPoint)
	$LowCnt = Add($LowCnt,1)
	$Lowtxt = Print("L%.0f",$LowCnt)
endif

If Equal(BarCounter,LastHighPoint)
	$HighCnt = Add($HighCnt,1)
	$Hightxt = Print("H%.0f",$HighCnt)
endif