An indicator of pattern #31 ("Long Island") from Encyclopedia of Chart Patterns by Thomas N. Bulkowski. The second gap is in the opposite direction.

Parameters:

• alerts - show alert when an arrow appears  
• Push - send a push notification when an arrow appears (requires configuration in the terminal)
• GapSize - minimum gap size in points
• 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 and GapSize by 10 when working with 5 and 3 digit quotes.

Note. Arrows appear on a forming bar and can disappear during bar formation. Notification (alerts and Push) are generated based on a formed bar.

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