为快速在线 php 添加子客户

我似乎无法让它工作：

我有一家母公司叫

"XYZ 母公司">

和一家名为

"XYZ子公司">

母公司已经存在于快速手册中。 我需要添加父公司知道的子公司。 我尝试这个，它不会添加孩子只会成为新客户。 我确定我错过了两件事，但我找不到什么???

include 'blah blah directoty/example_app_ipp_v3/config.php';

// Set up the IPP instance
$IPP = new QuickBooks_IPP($dsn);
// Get our OAuth credentials from the database
$creds = $IntuitAnywhere->load($the_username, $the_tenant);
// Tell the framework to load some data from the OAuth store
$IPP->authMode(
QuickBooks_IPP::AUTHMODE_OAUTH, 
$the_username, 
$creds);
// Print the credentials we're using
//print_r($creds);
// This is our current realm
$realm = $creds['qb_realm'];
// Load the OAuth information from the database
if ($Context = $IPP->context())
{
// Set the IPP version to v3 
$IPP->version(QuickBooks_IPP_IDS::VERSION_3);
$CustomerService = new QuickBooks_IPP_Service_Customer();

 $Customer = new QuickBooks_IPP_Object_Customer();
 $Customer->setName('99999');
 //$Customer->setPhone('860-634-1602');
 //$Customer->setEmail('keith@uglyslug.com');
 $Customer->setCompanyName('XYZ Sub Company Name');
 $Customer->setDisplayName('XYZ Sub Company Name');
 $Customer->setFirstName('Bill');
 $Customer->setLastName('Gates');
 // Set the parent of the customer
 $Customer->setParentFullName('XYZ Existing Parent Company Name');