How to use meta_key instead as the price for sorting element? AVADA theme / woocommerce shop

I am looking for a freelancer who can help me with my AVADA theme/ WooCommerce shop. I want to change or swap the price sorting element of my products on the shop to a custom field, specifically using the a numeric custom field i created instead of the price. Here are the details of the project:

- Current sorting element: Price (Woo Sorting Element - part of Avada theme)
- Desired sorting element: Custom field (filter_price)
- Ideal skills and experience:
- Strong knowledge of AVADA theme and WooCommerce
- Experience in customizing sorting elements in WooCommerce shops
- Familiarity with using meta_key for sorting purposes