Ax 2012 purchase order posting classes tables

Following are the Ax 2012 purchase order posting class on different stages of postings.

1. Purchase order confirmation- Class name -purchpurchorderjouranlcreate 

2.Purchase order reciptlist-Class name -purchreciptlistjournalpost

3. Purchase order packing slip or GRN-Class name -purchpackingslipjournalpost

4. Purchase order invoice-Class name -purchinvoicejournalpost

Above are posting class will hit while posting your purchase order with confirmation,receipt list,packing,invoice .

If you are facing any issue then you can put debug on required methods on above classes as per posting.

1.Tables Hits to store final Purchase order confirmation
 Purchpurchaseorderjour,purchpurchase order trans

2.Tables Hits to store final Purchase order GRN
Vendpackingslipjour and Vendpackingsliptrans

3.Tables Hits to store final Purchase order Invoice
Vendinvoicejour and vendInvoiceTrans