Trigger page callback for AJAX commands article

my_module.module.php

<?php
function MY_CUSTOM_MODULE_trigger_page() {
  // Load in Drupal core AJAX library.
  drupal_add_library('system', 'drupal.ajax');
 
  // Load in our custom JavaScript.
  drupal_add_js(drupal_get_path('module', 'MY_CUSTOM_MODULE') . '/MY_CUSTOM_MODULE.js');
 
  // Present the user with a link with the id 'my-special-link'.
  return l('Run my AJAX commands', 'my-custom-path/nojs', array(
    'attributes' => array(
      'id' => 'my-special-link'
    )
  ));
}