gistfile1.txt

<?php
/**
 * Babel
 *
 * @package babel
 */
/**
 *
 * Events:
 * OnDocFormPrerender,OnDocFormSave,OnEmptyTrash,OnContextRemove,OnResourceDuplicate
 *
 * @author Jakob Class <jakob.class@class-zec.de>
 *
 * @package babel
 * 
 */

switch ($modx->event->name) {
    case 'OnDocFormPrerender':
        $currentContextKey = $resource->get('context_key');
        if ($currentContextKey != 'newsletter') { return; }
        $output = '';
        $output .= '<div id="babel-box" style="background: red; width: 150px; height: 50px">I AM A TEST</div>';
        $modx->event->output($output);
        
        /* include CSS */
        /*
        $modx->regClientCSS($babel->config['cssUrl'].'babel.css?v=5');
        $modx->regClientStartupScript($babel->config['jsUrl'].'babel.js?v=3');
        */
        break;
    
    case 'OnDocFormSave':
        break;
        
    case 'OnEmptyTrash':
        break;
        
    case 'OnContextRemove':
        break;
    
    case 'OnResourceDuplicate':
        break;
}
return;