add custom post type

cpt.php

<?php

// Register the custom post type 'todo'
function todo_register_post_type() {
    register_post_type('todo', array(
        'labels' => array(
            'name' => __('Content Creation Center'),
            'singular_name' => __('Content'),
            'add_new' => __('Add New Content'),
            'add_new_item' => __('Add New Content'),
            'edit_item' => __('Edit Item'),
            'new_item' => __('New Content'),
            'view_item' => __('View Content'),
            'search_items' => __('Search Content List'),
            'not_found' => __('No Items found'),
            'not_found_in_trash' => __('No Planned Content found in Trash'),
            'all_items' => __('All Planned Content'),
        ),
        'public' => false,
        'show_ui' => true,  // Display in admin dashboard
        'supports' => array('title'),
        'menu_icon' => 'dashicons-list-view',
    ));
}
add_action('init', 'todo_register_post_type');