Indicators: MACD On Chart

MACD On Chart:

A semaphore signal indicator that uses an MACD histogram.

The indicator generates signals for trading when the MACD histogram breaks through its signal line.

Figure 1. The MACD_On_Chart indicator

Author: Nikolay Kositsin

Hi. How can I add an alarm to the "MACD On Chart - indicator for MetaTrader 5" ?