SOLVED: Using Contexts for whitelabels/clones of existing site

<?php
/*CreateSymlinks Plugin */
$docId = $resource->get('id');
$docAlias = $resource->get('alias');

/* The numbers on the right here are the respective template IDs
 * The left members should be the names of your contexts 
 */

$contexts = array(
    'context1' => 3,
    'context2' => 7,
    'context3' => 9,
);

$fields = array(
   'docAlias' => $docAlias,
   'pageTitle' => $resource->get('pagetitle'), /* not sure if this is necessary */
    );

switch ($modx->event->name) {
    case OnResourceDelete:

        $docs = $modx->getCollection('modResource', array('alias' => $docAlias));

        foreach ($docs as $doc) {
            $doc->delete();
        }
        break;


    case OnDocFormSave:
        if ($mode === modSystemEvent::MODE_NEW) {
            foreach($contexts as $contextName => $templateId) {
                $fields['context_key'] = $contextName;
                $fields['template'] = $templateId;
                $symlink = $modx->newObject('modSymlink', $fields);
                $symlink->setContent($docId); /* not positive about this line */
                $symlink->save();
            }
               
        }
        break;
}

RewriteCond %{HTTP_HOST} ^clone1\.mywebsite\.com [NC]
RewriteCond %{HTTP_HOST} ^clone2\.mywebsite\.com [NC]
RewriteCond %{HTTP_USER_AGENT} google|bing|slurp [NC] 
RewriteRule .? - [G] 

<link href="http://www.mywebsite.com/original-version-of-page.html" rel="canonical" />
<meta name="robots" content="noindex, nofollow" />

<?php
/*CreateSymlinks Plugin */
//$docId = $resource->get('id');
//$docAlias = $resource->get('alias');
 
/* The numbers on the right here are the respective template IDs
 * The left members should be the names of your contexts 
 */
 
$contexts = array(
    'context1' => 13,
    'context2' => 13,
);
 
$fields = array(
   'docAlias' => $docAlias,
   'pageTitle' => $resource->get('pagetitle'),
    );
 
switch ($modx->event->name) {
    case OnResourceDelete:
 
        $docs = $modx->getCollection('modResource', array('alias' => $docAlias));
 
        foreach ($docs as $doc) {
            $doc->delete();
        }
        break;
 
 
    case OnDocFormSave:
        $e = $modx->Event;
        $docId = $e->params['id'];
        $docAlias = $e->params['alias'];
        $pageTitle =  $resource->get('pagetitle');
        $pageAlias =  $resource->get('alias');

        if ($mode === modSystemEvent::MODE_NEW) {
            foreach($contexts as $contextName => $templateId) {
                $fields['context_key'] = $contextName;
                $fields['template'] = $templateId;
                $symlink = $modx->newObject('modSymlink', $fields);
                $symlink->setContent($docId); 
                $symlink->set('pagetitle', $pageTitle);
                $symlink->set('alias', $pageAlias);
                $symlink->set('published',true);
                $symlink->save();
            }
                
        }
        break;
}