Can you help me for my EA?

[primosire]

Can you help me?
I think for the more experienced it's simple but I'm going crazy.
I would like to create a following EA.
After the upward crossing of two averages (and I know how to do this) as soon as a candle appears with the lowest low of the previous candle, I place the entry on the high of the candle that made the low and stop below the low. The EA must have the ability to decide how long the order can remain active. For example stay active 1 - 2 candles or 1 - 2 hours minutes etc, and then delete the order.
I thank anyone who wants to help me to solve even at least a part of my EA.

[l'andorrà]

@primosire I think I catch it, but could you please upload a screenshot with an example of that condition after the crossing?