wp php screen page admin

screenpage.php

<?php 
add_action('current_screen', 'autozone_admin_db_ajax');
function autozone_admin_db_ajax(){
	if('settings_page_keypage99' ===  get_current_screen()->base){
		add_action('admin_print_footer_scripts', 'autozone_delete_key_js', 99);
		add_action( 'admin_enqueue_scripts', 'autozone_ajax_delete_key');
	}
}