media-library

The hook wp_ajax_{action} is for logged-in users and wp_ajax_nopriv_{action} for non logged-in users. For example in your functions.php file, add_action( ‘wp_ajax_your_ajax_action’, ‘your_ajax_function_callback’ ); // logged-in users add_action( ‘wp_ajax_nopriv_your_ajax_action’, ‘your_ajax_function_callback’ ); // logged-out users function your_ajax_function_callback() { // handle ajax request }