4 * This class contains the callback functions that are called in the core scripts to manipulate content etc.
7 * 1. CHANGE the class name and ensure its uniqueness by prefixing with the module name
8 * 2. DO NOT change the script name. Leave as "ModuleCallbacks.class.php"
9 * 3. DO NOT change the names of the methods.
10 * 4. REGISTER the unique class name in module.php
14 if (!defined('AT_INCLUDE_PATH')) exit;
16 class HelloWorldCallbacks {
18 * To append output onto course content page
20 * @return: a string, plain or html, to be appended to course content page
22 public static function appendContent() {
23 return "Output from hello world module!";