Adding a filter to add extra custom fields for Wp Job Manager Search query job submission

functions.php

// Adding a filter to add extra custom fields for Wp Job Manager Search query job submission.

add_filter( 'job_listing_searchable_meta_keys' , 'add_my_custom_post_meta_fields_here');

function add_my_custom_post_meta_fields_here( $wp_job_search_fields )
{
   return array_push( $wp_job_search_fields, "_job_Contact_Name");   
}