Code-Snippets-Functions/Execute a function on a child site/Relevanssi/index-product-slug-in-index.txt

add_filter( 'relevanssi_content_to_index', 'rlv_index_slug', 10, 2 );
function rlv_index_slug( $content, $post ) {
    $slug_with_spaces = str_replace( '-', ' ', $post->post_name );
    return $content . ' ' . $slug_with_spaces;
}