Create new document from mysql database

$title = 'MyPage';
$pageAlias = 'my-page';
$templateId = 2;
 
$fields = array(
  'pagetitle' => $title,
  'template' => $templateId,
  'alias' => $pageAlias,
  /* other fields here as necessary. System defaults will be used if empty */
};
 
/* create and save new resource */
$response = $this->modx->runProcessor('resource/create', $fields);
 
 
/* optional error handling */
 
if ($response->isError()) {
    if ($response->hasFieldErrors()) {
        $fieldErrors = $response->getAllErrors();
        $errorMessage = implode("\n", $fieldErrors);
    } else {
        $errorMessage = 'An error occurred: ' . $response->getMessage();
    }
    
    return $errorMessage;
 
} else {
    /* optional - in case you want the ID of the new resource (e.g., for makeUrl() ) */
    $object = $response->getObject();
 
    $resourceId = $object['id'];
      
}