<?php    
    Plugin Name: Contact Form
    Plugin URl: https:/jeti/
    Description: my first plugin aplication contact form
    Version: 1.0
    Author: Admin
    Author URL: 
    License: GPL2
    
    */
    add_action('init', 'registerPlugin');
    
    function registratePlugin(){
    
    register_activation_hook(__FILE__, 'myPluginCallBack');
    
    get_home_path('home.php');
    
    }
    
    function myPluginCallBack (){
    
    ?>
    <script> alert('plugin activate');</script>activate
    ]