add category name to permalink.php

function custom_event_permalink_structure($permalink, $post, $leavename) {
    // Check if the post type is 'tribe_events'
    if ($post->post_type === 'tribe_events') {
        // Get the categories assigned to the event
        $categories = get_the_terms($post->ID, 'tribe_events_cat');

        // Check if categories are available
        if ($categories && !is_wp_error($categories)) {
            $category = reset($categories); // Get the first category
            $category_name = $category->slug;

            // Append category name to the permalink
            $permalink = trailingslashit($permalink) . $category_name;
        }
    }

    return $permalink;
}
add_filter('post_type_link', 'custom_event_permalink_structure', 10, 3);