simple zigzag alert

Hello traders,
I'm destroying to search in internet and in forex factory for a simple zigzag defaul indicator that give an alert signal when new swing is create.
it's very diffcult add this signal to thise indicator?
please help me.
thank you.

up..

for those who are interested to indicator
you can find it in


https://www.forexfactory.com/showthread.php?t=291373
post 4

important you have to read also post 7

thanks to sangmane