Answered Programmatically assign Resource Group Access to User Group

<?php
  $parent = $resource->get('parent');

	if($parent == 1170 && $mode == 'new'){
    //set variables
    $page_id = $resource->get('id');  	
    $page_title = $resource->get('pagetitle');

    //create new resource group
  	$newResourceGroup = $modx->newObject('modResourceGroup',array('name'=>$page_title,'private_memgroup'=>0,'private_webgroup'=>0));
    if(!$newResourceGroup->save()){
			return "Unable to save the Resource Group. The Group may already exist.";	
		}

		//add current resource to new resource group
		$newResourceGroupId = $newResourceGroup->get('id');
		$resource->joinGroup($newResourceGroupId);
		if(!$resource->save()){
			return "Unable to add to the User Group.";
		}

    //create new usergroup
		$newUserGroup = $modx->newObject('modUserGroup',array('name' => $page_title));
		if($newUserGroup->save()){
  		$modx->log(MODX_LOG_LEVEL_ERROR, 'User group created.' );
			return true;
		}else{
			return "Unable to save the User Group. The Group may already exist.";
		}
	}else{
		return true;
	}