facetwp change template query args by url

custom-hooks.php

<?php
/** change the query args according to page.  Page is always the without the domain and without starting and ending /
 ** demo/cars or something/something or my-page
 **/

add_filter( 'facetwp_query_args', function( $query_args, $class ) {
    if ( 'my-page' == FWP()->helper->get_uri() ) {
        $query_args['post__in'] = [ 2 ];
    } elseif ( 'other-page' == FWP()->helper->get_uri() ) {
        $query_args['post__in'] = [ 2,3,7,9 ];
    }
    return $query_args;
}, 10, 2 );