Custom meta query elementor

meta_query_elementor.php

add_action( 'elementor_pro/posts/query/relatedPostsDynamic', function( $query ) {
    
    $meta_query[] = [
        'key' => 'mec_end_date',
        'value' => date('Y-m-d'),
        'compare' => '>=',
    ];
    
    $tax_query[] =[
        'taxonomy' => 'language',
        'terms' => 22566,
        'field' => 'term_taxonomy_id',
     
        'operator' => 'IN'
    ];
             $query->set('tax_query', $tax_query);
    $query->set('meta_query', $meta_query);
  
});

add_action( 'elementor/query/brandProductsQuery', function( $query ) {
$meta_query[] = [
'key' => '_stock_status',
'value' => 'instock',
'compare' => '=',
];
$query->set('meta_query', $meta_query);

});