facetwp wp job manager

<?php

// add currentcy to rate
add_filter( 'facetwp_index_row', function( $params, $class ) {
    if ( 'my_facet_name' == $params['facet_name'] ) { // change 'my_facet_name' to name of your facet
        $currency = get_custom_field( 'name_of_field', $params['post_id'] ); // change 'name_of_field' to your field name to look up the currency field by $params['post_id'];
        $params['facet_display_value'] = $params['facet_display_value'] . ' ' . $currency;
    }
    return $params;
}, 10, 2 );