An indicator of patterns #13 - #20 ("Double Tops" and "Double Bottoms", types Adam-Adam, Adam-Eva, Eva-Adam, Eva-Eva) from Encyclopedia of Chart Patterns by Thomas N. Bulkowski. Adam - sharp tops/bottoms, Eva - flat ones.

Parameters:

• alerts - show alert when an arrow appears  
• Push - send a push notification when an arrow appears (requires configuration in the terminal)
• PeriodBars - indicator period
• K - an additional parameter that influences the accuracy of pattern shape recognition. The smaller the value is, the smoother the row of peaks/valleys should be, so fewer patterns will be recognized  
• AdamAdam - type Adam-Adam
• AdamEve - type Adam-Eva
• EveAdam - type Eva-Adam
• EveEve - type Eva-Eva  
• ArrowType - a symbol from 1 to 17
• ArrowVShift - vertical shift of arrows in points  
• ShowLevels - show levels
• ColUp - color of an upward line
• ColDn - color of a downward line
• Auto5Digits - automatic multiplication of ArrowVShift by 10 when working with 5 and 3 digit quotes.

Note. Arrows appear on a forming bar and do not disappear.

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