Removing variable from {$order_details} tag

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Hello,

 

I am using a module for whmcs and it creates vpn username and passwords.I have successfuly removed the passwords sent in clear text from account activation mails however i could not find a way to remove the vpn password section from the order confirmation mails.

 

WHMCS support told "To achieve that you would need to use the smarty.replace function in your email template to adjust the contents of the $order_details merge field itself: http://www.smarty.net/docs/en/language.modifier.replace.tpl" and referred this forum.

 

{$order_details} merger tag have below details which include vpn password in the order confirmation mail.How can i exclude vpn password with order_details tag ?

 

"

We have received your order and will be processing it shortly. The details of the order are below:

 

Order Number: 7096635777

 

Product/Service: VPN Service

VPN Username: frosch

VPN Password: frawg

Unlock Pin Code:

First Payment Amount: $3.99 USD

Recurring Amount: $3.99 USD

Billing Cycle: Monthly

"