The EA trades based on the "Bullish and Bearish Engulfing" pattern.

Inputs:

• Bullish Engulfing — the type of the position that should be opened when there is "Bullish Engulfing"
• Bearish Engulfing — the type of the position that should be opened when there is "Bearish Engulfing"
• Risk in percent for a deal — risk per trade (position volume calculation) 
• Shift in bars (from 1 to 255) — horizontal shift in bars
• Distance (in pips) — distance parameter (see the below image for details)
• true -> close opposite positions — reverse of a given position
• magic number