Is there a "built-in" way to use a market event (such as a cross) described in a signal, to change the weight of parallel signals for the following X bars?

[Panteleimon Mar Andreadis]

For example:

We have an EA with a few signals among which RSI and MACD .

When RSI crosses below 30, we want that event to change the weight MACD has on the algorithm for X bars.

Hope its clear.

P.S.

I was about to ask about an event-based, state-full approach to similar problems, if there is a good article Id appreciate.