Integrate SearchWP with JetSmartFilters search using JetEngine Listing Grid to display results

searchwp-customizations.php

<?php

// Integrate SearchWP with JetSmartFilters search using
// JetEngine Listing Grid to display results.
// @link https://searchwp.com/documentation/knowledge-base/compatibility-with-jetsmartfilters-for-elementor/
add_action( 'pre_get_posts', function( $wp_query ) {
	if (
		! isset( $wp_query->query['jet_smart_filters' ] )
		|| empty( $wp_query->query['s'] )
	) {
		return;
	}

	$swp_query = new \SWP_Query( array(
		'engine'   => 'default',
		's'        => $wp_query->query['s'],
		'fields'   => 'ids',
		'nopaging' => true
	) );

	$results = ! empty( $swp_query->posts ) ? $swp_query->posts : array( 0 );

	$wp_query->set( 'post__in', $results );
	$wp_query->set( 'post_type', 'any' );
	$wp_query->set( 'post_status', 'any' );
	$wp_query->set( 'orderby', 'post__in' );
	$wp_query->set( 'order', 'DESC' );
	$wp_query->set( 's', false );
}, 9999 );

Hi ,
I'm trying to add the second Supplemental engine, is that okay?

$swp_query = new \SWP_Query( array(
'engine' => 'default', 'supplemental',

it doesn't seem to work

or maybe like this?

$swp_query = new \SWP_Query( array(
		'engine'   => 'default',
                 'engine'   => 'supplemental',

It still does not work

can you tell us how to integrate several engines ?

in Supplemental I only added the users as it is not possible to use them in default

It is not possible to combine multiple engines. You can use only one engine at the time.
If you need further help please contact our support.
Thanks