How to build a website scraper?

I am new to Agenty and not sure how to build a website scraper. I want to extract some yellow page listing for lead generation.
Please help in building a website scraper for Yellowpage.

You may install - Agenty Chrome extension for web scraping to build a website scraper.

Once installed, visit the yellowpage website you want to scrape and open the extension to build your website scraper, you just need to point & click* on the webpage to extract the information you want.

Here is a video as well