send multiple purchase order as email attachment in ax 2012

I am working in AX 2012, i need to send purchase orders as email attachment, in the email's subject, I need to add the purchID, vendor account for each purchase order.

I have treid to modifed the class PurchPurchaseController/runPrintMgmt(), it does not help me to solve it.

Can anybody tell me how to do it ?

thanks in advance!

Rosa