Modify exsisting Trendline alert indicator

Need for this Trendline indicator a pushnotification. And i need on option with false and true possibility to switch on or off  when candle close after going through one of the two  lines than doing a alert/pushnotification. E.g. when its chosen

to false means  a alert/pushnotification when candle just  crossing through one of the two lines, and chosen true  a alert/pushnotification when candle close after going through one of the two lines.