How can I set up Meta Query in Query Loop so that Filter Search (with Live Search) looks only in two ACF text fields (first_name and middle_name) of my custom post type (dr)? I don’t want it to search in post_title or post_content. Thanks! 
How can I set up Meta Query in Query Loop so that Filter Search (with Live Search) looks only in two ACF text fields (first_name and middle_name) of my custom post type (dr)? I don’t want it to search in post_title or post_content. Thanks!