Regarding changes in Ax2012 classes for posting profiles , invoice , packingslip ...

Hello Friends,

In purchformletter class in previous version of Ax, there is create parmline method willl be there but in 2012 , many changes are there. Is there anyone having documents related to classes changes from previous version or the posting classes changes , please share with me which will be very very helpful …

Thanks and Regards,

Enrique