Two line crossover need add arrow with alerts and when display two line in a same color need add arrow with alerts

Dear Mrtools,
First of all, I would like to thank this forum.

I have also continuously analyzing an indicator for a month. That if such changing is done in it by coders ,
Which I have mentioned in the screenshot
So it can be a very profitable indicator.

1:- in screenshot white color arrows are for crossover
Please add arrows on every crossover with alerts .

2:- in screenshot blue color arrows to be add with alerts , when display two line in a same color .

i shall be highly appreciated .
with regards
JAMIL