create a searchfield in wp that shows liveresults from a xml database

Job ID: 31150196

Budget: $10 – $30 USD

I have a DIY (i am an amateur) wp site using astra pro + elementor. I want to enable visitors to get instant search results from a xml database. I can´t code. What i need is consulting on how to do this using existing plugins ( i do not want you to go into my wp site and code).
Related categories: PHP XML WordPress MySQL HTML