can anyone help me to build an expert?
Help you with what? You haven't stated a problem, you haven't even stated a want. How To Ask Questions The Smart Way. 2004 Prune pointless queries.
You have only four choices:
Search for it. Do you expect us to do your research for you?
MT4: Learn to code it. MT5: Begin learning to code it. If you don't learn MQL4/5, there is no common language for us to communicate. If we tell you what you need, you can't code it. If we give you the code, you don't know how to integrate it into your code.
or pay (Freelance) someone to code it. Hiring to write script - General - MQL5 programming forum 2019.08.21
We're not going to code it for you (although it could happen if you are lucky or the problem is interesting.) We are willing to help you when you post your attempt (using CODE button) and state the nature of your problem. No free help 2017.04.21