Looking for help coding an S+R EA

I have been looking for a support and resistance ea for a while now and i will be happy if someone can help me code it.
I draw it myself but it will make my work easier if it can be authomatically drawn.
I want it to draw a line at new levels. The attached shows dots at the beginining of new levels but i want it to draw a line at new levels as i trade only a bounce from the lines.
I look for ward to your help. Thankl you.

Think this is what you are asking for?

HTH

Thank you. i will check it out and get back to you.

Thank you. i have checked. so close but not exactly what i am looking for but can be edited. i want to line to be there wether the candle for it will be three or four and i also want the s+R lines shown reduced. and also with alerts. i will be grateful if you can help me adjust this. Thank you.

Sorry do not understand.
Draw a pic to show what you want.
What conditions for alert?

Thanks once again. I trade at key levels(demand and supply levels or support and resistance). the first indicator i attached draws support and resistance at levels.But what i want it to do is to draw a line rather than dots. Also, this indicator shows its first dot at the beginning of the of the candle of the new level. But to this, i want it to draw a line at the first appearance of the first dot and not show anything again. that is, draw a fixed line at the appearance of the first dot and thats all. And to also give an alert the the appearance of the line. I look forward to your help.

Ok, try this

Thanks. is it possible to edit this in order for it to show line ONLY at key support and resistance levels and also have an alert at the appearance of the lines?

Thought that I had done what you had asked for with the file that you provided.
Sorry but not prepared to spend any more time on it. MQ4 was provided so that you can modify it yourself if required.