The indicator detects and displays the M. Hartley “Butterfly” pattern on the chart. The pattern is selected based on the vertices of the ZigZag indicator
(included in the resources, does not require additional installation). When the pattern is recognized, a message is displayed in a pop-up window,
alerts are sent to your mobile device and email inbox. The pattern diagram and wave parameters are shown in the screenshot.
The parameters set in the default indicator are demo parameters to increase the number of recognized shapes.

• zzDepth, zzDev, zzBack-parameters of the ZigZag indicator
• factorAB_min, factorAB_max – minimum and maximum ratio of AB and AX levels (see screenshot)
• factorBC_min, factorBC_max – minimum and maximum ratio of BC and AB levels (see screenshot)
• factorCD_min, factorCD_max – minimum and maximum ratio of CD and BC levels (see screenshot)
• factorAD_min, factorAD_max – minimum and maximum ratio of AD and AX levels (see screenshot)
• bearColor – the color of the bear shape display
• bullColor – the color of the bullish figure display
• CountBars-limit the number of bars to be processed by the indicator (reduces the initial loading time)
• UseAlert – allowing pop-up messages
• UseNotification-allowing push notifications
• UseMail-Allowing email notifications
• CustomEventBuy,CustomEventSell-terminal events

[spoiler title=”Read More…”]

void OnTick() {

double x;

x = iCustom(Symbol(),PERIOD_CURRENT,"Harmonic-Butterfly",0,1); if (x != 0