Bearish Evening Star [DES]

Rules:
1. The first candlestick is a long green candlestick.
2. The second candlestick is a short red or green candlestick.
3. The third candlestick is a long red candlestick which closes in the body of the first candlestick.

Pattern Type:
Bearish Reversal.

	 ' Assign the parameters to script variables.
	_symbolIndex = symbolIndex
	_minCandleSize = minCandleSize

	 ' Get the opening prices of the symbol, indexed by bar index. 
	Define open() As Number = BarOpen(_symbolIndex, barIndex, 3)
	 ' Get the highest prices of the symbol, indexed by bar index. 
	Define high() As Number = BarHigh(_symbolIndex, barIndex, 3)
	 ' Get the lowest prices of the symbol, indexed by bar index. 
	Define low() As Number = BarLow(_symbolIndex, barIndex, 3)
	 ' Get the closing prices of the symbol, indexed by bar index. 
	Define close() As Number = BarClose(_symbolIndex, barIndex, 3)
	 ' Check whether the first candlestick matches.
	If (open(2) < close(2) And _
	    100 * (close(2) - open(2)) / open(2) >  _minCandleSize) Then
		 ' Check whether the second candlestick matches.
		If (high(2) < low(1) And _
			MathAbs(100 * (high(1) - low(1)) / high(1)) < _minCandleSize) Then
			 ' Check whether the third candlestick matches.
			If (open(0) > close(0) And _
				close(0) > open(2) And _
				close(0) < close(2)) Then
				Return 3
			End If
		End If
	End If
	Return 0